51893009

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{401}}^1$

素因数の和:573

約数の個数: 24

約数和(自身を含む): 64159200

約数和(自身を除く): 12266191

約数列:

[1, 7, 19, 49, 133, 139, 401, 931, 973, 2641, 2807, 6811, 7619, 18487, 19649, 53333, 55739, 129409, 373331, 390173, 1059041, 2731211, 7413287, 51893009]

約数ペア:

[(1, 51893009), (7, 7413287), (19, 2731211), (49, 1059041), (133, 390173), (139, 373331), (401, 129409), (931, 55739), (973, 53333), (2641, 19649), (2807, 18487), (6811, 7619)]