80966288

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{4013}}^1$

素因数の和:4131

約数の個数: 40

約数和(自身を含む): 170723448

約数和(自身を除く): 89757160

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 97, 104, 194, 208, 388, 776, 1261, 1552, 2522, 4013, 5044, 8026, 10088, 16052, 20176, 32104, 52169, 64208, 104338, 208676, 389261, 417352, 778522, 834704, 1557044, 3114088, 5060393, 6228176, 10120786, 20241572, 40483144, 80966288]

約数ペア:

[(1, 80966288), (2, 40483144), (4, 20241572), (8, 10120786), (13, 6228176), (16, 5060393), (26, 3114088), (52, 1557044), (97, 834704), (104, 778522), (194, 417352), (208, 389261), (388, 208676), (776, 104338), (1261, 64208), (1552, 52169), (2522, 32104), (4013, 20176), (5044, 16052), (8026, 10088)]