256998924

素因数分解:

$2^2\times 3^2\times 7^3\times {\mathrm{13}}^1\times {\mathrm{1601}}^1$

素因数の和:1645

約数の個数: 144

約数和(自身を含む): 816379200

約数和(自身を除く): 559380276

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 49, 52, 63, 78, 84, 91, 98, 117, 126, 147, 156, 182, 196, 234, 252, 273, 294, 343, 364, 441, 468, 546, 588, 637, 686, 819, 882, 1029, 1092, 1274, 1372, 1601, 1638, 1764, 1911, 2058, 2548, 3087, 3202, 3276, 3822, 4116, 4459, 4803, 5733, 6174, 6404, 7644, 8918, 9606, 11207, 11466, 12348, 13377, 14409, 17836, 19212, 20813, 22414, 22932, 26754, 28818, 33621, 40131, 41626, 44828, 53508, 57636, 62439, 67242, 78449, 80262, 83252, 100863, 124878, 134484, 145691, 156898, 160524, 187317, 201726, 235347, 249756, 291382, 313796, 374634, 403452, 437073, 470694, 549143, 582764, 706041, 749268, 874146, 941388, 1019837, 1098286, 1311219, 1412082, 1647429, 1748292, 2039674, 2196572, 2622438, 2824164, 3059511, 3294858, 4079348, 4942287, 5244876, 6119022, 6589716, 7138859, 9178533, 9884574, 12238044, 14277718, 18357066, 19769148, 21416577, 28555436, 36714132, 42833154, 64249731, 85666308, 128499462, 256998924]

約数ペア:

[(1, 256998924), (2, 128499462), (3, 85666308), (4, 64249731), (6, 42833154), (7, 36714132), (9, 28555436), (12, 21416577), (13, 19769148), (14, 18357066), (18, 14277718), (21, 12238044), (26, 9884574), (28, 9178533), (36, 7138859), (39, 6589716), (42, 6119022), (49, 5244876), (52, 4942287), (63, 4079348), (78, 3294858), (84, 3059511), (91, 2824164), (98, 2622438), (117, 2196572), (126, 2039674), (147, 1748292), (156, 1647429), (182, 1412082), (196, 1311219), (234, 1098286), (252, 1019837), (273, 941388), (294, 874146), (343, 749268), (364, 706041), (441, 582764), (468, 549143), (546, 470694), (588, 437073), (637, 403452), (686, 374634), (819, 313796), (882, 291382), (1029, 249756), (1092, 235347), (1274, 201726), (1372, 187317), (1601, 160524), (1638, 156898), (1764, 145691), (1911, 134484), (2058, 124878), (2548, 100863), (3087, 83252), (3202, 80262), (3276, 78449), (3822, 67242), (4116, 62439), (4459, 57636), (4803, 53508), (5733, 44828), (6174, 41626), (6404, 40131), (7644, 33621), (8918, 28818), (9606, 26754), (11207, 22932), (11466, 22414), (12348, 20813), (13377, 19212), (14409, 17836)]