28961532

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{353}}^1$

素因数の和:459

約数の個数: 72

約数和(自身を含む): 76540464

約数和(自身を除く): 47578932

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 53, 86, 106, 129, 159, 172, 212, 258, 318, 353, 387, 477, 516, 636, 706, 774, 954, 1059, 1412, 1548, 1908, 2118, 2279, 3177, 4236, 4558, 6354, 6837, 9116, 12708, 13674, 15179, 18709, 20511, 27348, 30358, 37418, 41022, 45537, 56127, 60716, 74836, 82044, 91074, 112254, 136611, 168381, 182148, 224508, 273222, 336762, 546444, 673524, 804487, 1608974, 2413461, 3217948, 4826922, 7240383, 9653844, 14480766, 28961532]

約数ペア:

[(1, 28961532), (2, 14480766), (3, 9653844), (4, 7240383), (6, 4826922), (9, 3217948), (12, 2413461), (18, 1608974), (36, 804487), (43, 673524), (53, 546444), (86, 336762), (106, 273222), (129, 224508), (159, 182148), (172, 168381), (212, 136611), (258, 112254), (318, 91074), (353, 82044), (387, 74836), (477, 60716), (516, 56127), (636, 45537), (706, 41022), (774, 37418), (954, 30358), (1059, 27348), (1412, 20511), (1548, 18709), (1908, 15179), (2118, 13674), (2279, 12708), (3177, 9116), (4236, 6837), (4558, 6354)]