81667490

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{11717}}^1$

素因数の和:11782

約数の個数: 32

約数和(自身を含む): 159458544

約数和(自身を除く): 77791054

約数列:

[1, 2, 5, 10, 17, 34, 41, 82, 85, 170, 205, 410, 697, 1394, 3485, 6970, 11717, 23434, 58585, 117170, 199189, 398378, 480397, 960794, 995945, 1991890, 2401985, 4803970, 8166749, 16333498, 40833745, 81667490]

約数ペア:

[(1, 81667490), (2, 40833745), (5, 16333498), (10, 8166749), (17, 4803970), (34, 2401985), (41, 1991890), (82, 995945), (85, 960794), (170, 480397), (205, 398378), (410, 199189), (697, 117170), (1394, 58585), (3485, 23434), (6970, 11717)]