81153197584

素因数分解:

$2^4\times {\mathrm{409}}^1\times {\mathrm{809}}^1\times {\mathrm{15329}}^1$

素因数の和:16555

約数の個数: 40

約数和(自身を含む): 157823883000

約数和(自身を除く): 76670685416

約数列:

[1, 2, 4, 8, 16, 409, 809, 818, 1618, 1636, 3236, 3272, 6472, 6544, 12944, 15329, 30658, 61316, 122632, 245264, 330881, 661762, 1323524, 2647048, 5294096, 6269561, 12401161, 12539122, 24802322, 25078244, 49604644, 50156488, 99209288, 100312976, 198418576, 5072074849, 10144149698, 20288299396, 40576598792, 81153197584]

約数ペア:

[(1, 81153197584), (2, 40576598792), (4, 20288299396), (8, 10144149698), (16, 5072074849), (409, 198418576), (809, 100312976), (818, 99209288), (1618, 50156488), (1636, 49604644), (3236, 25078244), (3272, 24802322), (6472, 12539122), (6544, 12401161), (12944, 6269561), (15329, 5294096), (30658, 2647048), (61316, 1323524), (122632, 661762), (245264, 330881)]