28361718

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{359}}^1$

素因数の和:407

約数の個数: 128

約数和(自身を含む): 82944000

約数和(自身を除く): 54582282

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 19, 21, 22, 27, 33, 38, 42, 54, 57, 63, 66, 77, 99, 114, 126, 133, 154, 171, 189, 198, 209, 231, 266, 297, 342, 359, 378, 399, 418, 462, 513, 594, 627, 693, 718, 798, 1026, 1077, 1197, 1254, 1386, 1463, 1881, 2079, 2154, 2394, 2513, 2926, 3231, 3591, 3762, 3949, 4158, 4389, 5026, 5643, 6462, 6821, 7182, 7539, 7898, 8778, 9693, 11286, 11847, 13167, 13642, 15078, 19386, 20463, 22617, 23694, 26334, 27643, 35541, 39501, 40926, 45234, 47747, 55286, 61389, 67851, 71082, 75031, 79002, 82929, 95494, 106623, 122778, 135702, 143241, 150062, 165858, 184167, 213246, 225093, 248787, 286482, 368334, 429723, 450186, 497574, 525217, 675279, 746361, 859446, 1050434, 1289169, 1350558, 1492722, 1575651, 2025837, 2578338, 3151302, 4051674, 4726953, 9453906, 14180859, 28361718]

約数ペア:

[(1, 28361718), (2, 14180859), (3, 9453906), (6, 4726953), (7, 4051674), (9, 3151302), (11, 2578338), (14, 2025837), (18, 1575651), (19, 1492722), (21, 1350558), (22, 1289169), (27, 1050434), (33, 859446), (38, 746361), (42, 675279), (54, 525217), (57, 497574), (63, 450186), (66, 429723), (77, 368334), (99, 286482), (114, 248787), (126, 225093), (133, 213246), (154, 184167), (171, 165858), (189, 150062), (198, 143241), (209, 135702), (231, 122778), (266, 106623), (297, 95494), (342, 82929), (359, 79002), (378, 75031), (399, 71082), (418, 67851), (462, 61389), (513, 55286), (594, 47747), (627, 45234), (693, 40926), (718, 39501), (798, 35541), (1026, 27643), (1077, 26334), (1197, 23694), (1254, 22617), (1386, 20463), (1463, 19386), (1881, 15078), (2079, 13642), (2154, 13167), (2394, 11847), (2513, 11286), (2926, 9693), (3231, 8778), (3591, 7898), (3762, 7539), (3949, 7182), (4158, 6821), (4389, 6462), (5026, 5643)]