201717490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{81667}}^1$

素因数の和:81706

約数の個数: 32

約数和(自身を含む): 411606720

約数和(自身を除く): 209889230

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 81667, 163334, 408335, 816670, 1061671, 1551673, 2123342, 3103346, 5308355, 7758365, 10616710, 15516730, 20171749, 40343498, 100858745, 201717490]

約数ペア:

[(1, 201717490), (2, 100858745), (5, 40343498), (10, 20171749), (13, 15516730), (19, 10616710), (26, 7758365), (38, 5308355), (65, 3103346), (95, 2123342), (130, 1551673), (190, 1061671), (247, 816670), (494, 408335), (1235, 163334), (2470, 81667)]