201678631

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{193}}^1\times {\mathrm{331}}^1$

素因数の和:583

約数の個数: 32

約数和(自身を含む): 259693056

約数和(自身を除く): 58014425

約数列:

[1, 7, 11, 41, 77, 193, 287, 331, 451, 1351, 2123, 2317, 3157, 3641, 7913, 13571, 14861, 25487, 55391, 63883, 87043, 94997, 149281, 447181, 609301, 702713, 1044967, 2619203, 4918991, 18334421, 28811233, 201678631]

約数ペア:

[(1, 201678631), (7, 28811233), (11, 18334421), (41, 4918991), (77, 2619203), (193, 1044967), (287, 702713), (331, 609301), (451, 447181), (1351, 149281), (2123, 94997), (2317, 87043), (3157, 63883), (3641, 55391), (7913, 25487), (13571, 14861)]