61398890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{4157}}^1$

素因数の和:4382

約数の個数: 32

約数和(自身を含む): 126935424

約数和(自身を除く): 65536534

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 211, 422, 1055, 1477, 2110, 2954, 4157, 7385, 8314, 14770, 20785, 29099, 41570, 58198, 145495, 290990, 877127, 1754254, 4385635, 6139889, 8771270, 12279778, 30699445, 61398890]

約数ペア:

[(1, 61398890), (2, 30699445), (5, 12279778), (7, 8771270), (10, 6139889), (14, 4385635), (35, 1754254), (70, 877127), (211, 290990), (422, 145495), (1055, 58198), (1477, 41570), (2110, 29099), (2954, 20785), (4157, 14770), (7385, 8314)]