217411678

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{313}}^1\times {\mathrm{31573}}^1$

素因数の和:31899

約数の個数: 16

約数和(自身を含む): 356912496

約数和(自身を除く): 139500818

約数列:

[1, 2, 11, 22, 313, 626, 3443, 6886, 31573, 63146, 347303, 694606, 9882349, 19764698, 108705839, 217411678]

約数ペア:

[(1, 217411678), (2, 108705839), (11, 19764698), (22, 9882349), (313, 694606), (626, 347303), (3443, 63146), (6886, 31573)]