1279897930

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{643}}^1\times {\mathrm{6421}}^1$

素因数の和:7102

約数の個数: 32

約数和(自身を含む): 2382202368

約数和(自身を除く): 1102304438

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 643, 1286, 3215, 6421, 6430, 12842, 19933, 32105, 39866, 64210, 99665, 199051, 199330, 398102, 995255, 1990510, 4128703, 8257406, 20643515, 41287030, 127989793, 255979586, 639948965, 1279897930]

約数ペア:

[(1, 1279897930), (2, 639948965), (5, 255979586), (10, 127989793), (31, 41287030), (62, 20643515), (155, 8257406), (310, 4128703), (643, 1990510), (1286, 995255), (3215, 398102), (6421, 199330), (6430, 199051), (12842, 99665), (19933, 64210), (32105, 39866)]