261529884

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{11}}^2\times {\mathrm{953}}^1$

素因数の和:998

約数の個数: 180

約数和(自身を含む): 859752432

約数和(自身を除く): 598222548

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 27, 28, 33, 36, 42, 44, 54, 63, 66, 77, 81, 84, 99, 108, 121, 126, 132, 154, 162, 189, 198, 231, 242, 252, 297, 308, 324, 363, 378, 396, 462, 484, 567, 594, 693, 726, 756, 847, 891, 924, 953, 1089, 1134, 1188, 1386, 1452, 1694, 1782, 1906, 2079, 2178, 2268, 2541, 2772, 2859, 3267, 3388, 3564, 3812, 4158, 4356, 5082, 5718, 6237, 6534, 6671, 7623, 8316, 8577, 9801, 10164, 10483, 11436, 12474, 13068, 13342, 15246, 17154, 19602, 20013, 20966, 22869, 24948, 25731, 26684, 30492, 31449, 34308, 39204, 40026, 41932, 45738, 51462, 60039, 62898, 68607, 73381, 77193, 80052, 91476, 94347, 102924, 115313, 120078, 125796, 137214, 146762, 154386, 180117, 188694, 220143, 230626, 240156, 274428, 283041, 293524, 308772, 345939, 360234, 377388, 440286, 461252, 540351, 566082, 660429, 691878, 720468, 807191, 849123, 880572, 1037817, 1080702, 1132164, 1320858, 1383756, 1614382, 1698246, 1981287, 2075634, 2161404, 2421573, 2641716, 3113451, 3228764, 3396492, 3962574, 4151268, 4843146, 5943861, 6226902, 7264719, 7925148, 9340353, 9686292, 11887722, 12453804, 14529438, 18680706, 21794157, 23775444, 29058876, 37361412, 43588314, 65382471, 87176628, 130764942, 261529884]

約数ペア:

[(1, 261529884), (2, 130764942), (3, 87176628), (4, 65382471), (6, 43588314), (7, 37361412), (9, 29058876), (11, 23775444), (12, 21794157), (14, 18680706), (18, 14529438), (21, 12453804), (22, 11887722), (27, 9686292), (28, 9340353), (33, 7925148), (36, 7264719), (42, 6226902), (44, 5943861), (54, 4843146), (63, 4151268), (66, 3962574), (77, 3396492), (81, 3228764), (84, 3113451), (99, 2641716), (108, 2421573), (121, 2161404), (126, 2075634), (132, 1981287), (154, 1698246), (162, 1614382), (189, 1383756), (198, 1320858), (231, 1132164), (242, 1080702), (252, 1037817), (297, 880572), (308, 849123), (324, 807191), (363, 720468), (378, 691878), (396, 660429), (462, 566082), (484, 540351), (567, 461252), (594, 440286), (693, 377388), (726, 360234), (756, 345939), (847, 308772), (891, 293524), (924, 283041), (953, 274428), (1089, 240156), (1134, 230626), (1188, 220143), (1386, 188694), (1452, 180117), (1694, 154386), (1782, 146762), (1906, 137214), (2079, 125796), (2178, 120078), (2268, 115313), (2541, 102924), (2772, 94347), (2859, 91476), (3267, 80052), (3388, 77193), (3564, 73381), (3812, 68607), (4158, 62898), (4356, 60039), (5082, 51462), (5718, 45738), (6237, 41932), (6534, 40026), (6671, 39204), (7623, 34308), (8316, 31449), (8577, 30492), (9801, 26684), (10164, 25731), (10483, 24948), (11436, 22869), (12474, 20966), (13068, 20013), (13342, 19602), (15246, 17154)]