287745913

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{233}}^1\times {\mathrm{331}}^1$

素因数の和:625

約数の個数: 32

約数和(自身を含む): 365444352

約数和(自身を除く): 77698439

約数列:

[1, 7, 13, 41, 91, 233, 287, 331, 533, 1631, 2317, 3029, 3731, 4303, 9553, 13571, 21203, 30121, 66871, 77123, 94997, 124189, 176423, 539861, 869323, 1002599, 1234961, 3162043, 7018193, 22134301, 41106559, 287745913]

約数ペア:

[(1, 287745913), (7, 41106559), (13, 22134301), (41, 7018193), (91, 3162043), (233, 1234961), (287, 1002599), (331, 869323), (533, 539861), (1631, 176423), (2317, 124189), (3029, 94997), (3731, 77123), (4303, 66871), (9553, 30121), (13571, 21203)]