90971590

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{7537}}^1$

素因数の和:7632

約数の個数: 32

約数和(自身を含む): 175846464

約数和(自身を除く): 84874874

約数列:

[1, 2, 5, 10, 17, 34, 71, 85, 142, 170, 355, 710, 1207, 2414, 6035, 7537, 12070, 15074, 37685, 75370, 128129, 256258, 535127, 640645, 1070254, 1281290, 2675635, 5351270, 9097159, 18194318, 45485795, 90971590]

約数ペア:

[(1, 90971590), (2, 45485795), (5, 18194318), (10, 9097159), (17, 5351270), (34, 2675635), (71, 1281290), (85, 1070254), (142, 640645), (170, 535127), (355, 256258), (710, 128129), (1207, 75370), (2414, 37685), (6035, 15074), (7537, 12070)]