189907510

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{85931}}^1$

素因数の和:85968

約数の個数: 32

約数和(自身を含む): 389787552

約数和(自身を除く): 199880042

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 85931, 171862, 429655, 859310, 1117103, 1460827, 2234206, 2921654, 5585515, 7304135, 11171030, 14608270, 18990751, 37981502, 94953755, 189907510]

約数ペア:

[(1, 189907510), (2, 94953755), (5, 37981502), (10, 18990751), (13, 14608270), (17, 11171030), (26, 7304135), (34, 5585515), (65, 2921654), (85, 2234206), (130, 1460827), (170, 1117103), (221, 859310), (442, 429655), (1105, 171862), (2210, 85931)]