156973310

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{7691}}^1$

素因数の和:7868

約数の個数: 32

約数和(自身を含む): 306264672

約数和(自身を除く): 149291362

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 157, 314, 785, 1570, 2041, 4082, 7691, 10205, 15382, 20410, 38455, 76910, 99983, 199966, 499915, 999830, 1207487, 2414974, 6037435, 12074870, 15697331, 31394662, 78486655, 156973310]

約数ペア:

[(1, 156973310), (2, 78486655), (5, 31394662), (10, 15697331), (13, 12074870), (26, 6037435), (65, 2414974), (130, 1207487), (157, 999830), (314, 499915), (785, 199966), (1570, 99983), (2041, 76910), (4082, 38455), (7691, 20410), (10205, 15382)]