207753590

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{21221}}^1$

素因数の和:21328

約数の個数: 32

約数和(自身を含む): 412555680

約数和(自身を除く): 204802090

約数列:

[1, 2, 5, 10, 11, 22, 55, 89, 110, 178, 445, 890, 979, 1958, 4895, 9790, 21221, 42442, 106105, 212210, 233431, 466862, 1167155, 1888669, 2334310, 3777338, 9443345, 18886690, 20775359, 41550718, 103876795, 207753590]

約数ペア:

[(1, 207753590), (2, 103876795), (5, 41550718), (10, 20775359), (11, 18886690), (22, 9443345), (55, 3777338), (89, 2334310), (110, 1888669), (178, 1167155), (445, 466862), (890, 233431), (979, 212210), (1958, 106105), (4895, 42442), (9790, 21221)]