7450261

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:209

約数の個数: 32

約数和(自身を含む): 10035200

約数和(自身を除く): 2584939

約数列:

[1, 7, 13, 19, 31, 91, 133, 139, 217, 247, 403, 589, 973, 1729, 1807, 2641, 2821, 4123, 4309, 7657, 12649, 18487, 30163, 34333, 53599, 56017, 81871, 240331, 392119, 573097, 1064323, 7450261]

約数ペア:

[(1, 7450261), (7, 1064323), (13, 573097), (19, 392119), (31, 240331), (91, 81871), (133, 56017), (139, 53599), (217, 34333), (247, 30163), (403, 18487), (589, 12649), (973, 7657), (1729, 4309), (1807, 4123), (2641, 2821)]