12786515

素因数分解:

$5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1$

素因数の和:239

約数の個数: 32

約数和(自身を含む): 18320256

約数和(自身を除く): 5533741

約数列:

[1, 5, 7, 35, 53, 61, 113, 265, 305, 371, 427, 565, 791, 1855, 2135, 3233, 3955, 5989, 6893, 16165, 22631, 29945, 34465, 41923, 48251, 113155, 209615, 241255, 365329, 1826645, 2557303, 12786515]

約数ペア:

[(1, 12786515), (5, 2557303), (7, 1826645), (35, 365329), (53, 241255), (61, 209615), (113, 113155), (265, 48251), (305, 41923), (371, 34465), (427, 29945), (565, 22631), (791, 16165), (1855, 6893), (2135, 5989), (3233, 3955)]