218987782

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{2801}}^1$

素因数の和:2944

約数の個数: 32

約数和(自身を含む): 369057024

約数和(自身を除く): 150069242

約数列:

[1, 2, 13, 26, 31, 62, 97, 194, 403, 806, 1261, 2522, 2801, 3007, 5602, 6014, 36413, 39091, 72826, 78182, 86831, 173662, 271697, 543394, 1128803, 2257606, 3532061, 7064122, 8422607, 16845214, 109493891, 218987782]

約数ペア:

[(1, 218987782), (2, 109493891), (13, 16845214), (26, 8422607), (31, 7064122), (62, 3532061), (97, 2257606), (194, 1128803), (403, 543394), (806, 271697), (1261, 173662), (2522, 86831), (2801, 78182), (3007, 72826), (5602, 39091), (6014, 36413)]