61808890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43223}}^1$

素因数の和:43254

約数の個数: 32

約数和(自身を含む): 130709376

約数和(自身を除く): 68900486

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 43223, 86446, 216115, 432230, 475453, 561899, 950906, 1123798, 2377265, 2809495, 4754530, 5618990, 6180889, 12361778, 30904445, 61808890]

約数ペア:

[(1, 61808890), (2, 30904445), (5, 12361778), (10, 6180889), (11, 5618990), (13, 4754530), (22, 2809495), (26, 2377265), (55, 1123798), (65, 950906), (110, 561899), (130, 475453), (143, 432230), (286, 216115), (715, 86446), (1430, 43223)]