203422570

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{991}}^1\times {\mathrm{1579}}^1$

素因数の和:2590

約数の個数: 32

約数和(自身を含む): 394974720

約数和(自身を除く): 191552150

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 991, 1579, 1982, 3158, 4955, 7895, 9910, 12883, 15790, 20527, 25766, 41054, 64415, 102635, 128830, 205270, 1564789, 3129578, 7823945, 15647890, 20342257, 40684514, 101711285, 203422570]

約数ペア:

[(1, 203422570), (2, 101711285), (5, 40684514), (10, 20342257), (13, 15647890), (26, 7823945), (65, 3129578), (130, 1564789), (991, 205270), (1579, 128830), (1982, 102635), (3158, 64415), (4955, 41054), (7895, 25766), (9910, 20527), (12883, 15790)]