128879210

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{4651}}^1$

素因数の和:4838

約数の個数: 32

約数和(自身を含む): 247188672

約数和(自身を除く): 118309462

約数列:

[1, 2, 5, 10, 17, 34, 85, 163, 170, 326, 815, 1630, 2771, 4651, 5542, 9302, 13855, 23255, 27710, 46510, 79067, 158134, 395335, 758113, 790670, 1516226, 3790565, 7581130, 12887921, 25775842, 64439605, 128879210]

約数ペア:

[(1, 128879210), (2, 64439605), (5, 25775842), (10, 12887921), (17, 7581130), (34, 3790565), (85, 1516226), (163, 790670), (170, 758113), (326, 395335), (815, 158134), (1630, 79067), (2771, 46510), (4651, 27710), (5542, 23255), (9302, 13855)]