81788848

素因数分解:

$2^4\times {\mathrm{97}}^1\times {\mathrm{151}}^1\times {\mathrm{349}}^1$

素因数の和:605

約数の個数: 40

約数和(自身を含む): 161621600

約数和(自身を除く): 79832752

約数列:

[1, 2, 4, 8, 16, 97, 151, 194, 302, 349, 388, 604, 698, 776, 1208, 1396, 1552, 2416, 2792, 5584, 14647, 29294, 33853, 52699, 58588, 67706, 105398, 117176, 135412, 210796, 234352, 270824, 421592, 541648, 843184, 5111803, 10223606, 20447212, 40894424, 81788848]

約数ペア:

[(1, 81788848), (2, 40894424), (4, 20447212), (8, 10223606), (16, 5111803), (97, 843184), (151, 541648), (194, 421592), (302, 270824), (349, 234352), (388, 210796), (604, 135412), (698, 117176), (776, 105398), (1208, 67706), (1396, 58588), (1552, 52699), (2416, 33853), (2792, 29294), (5584, 14647)]