313990019

素因数分解:

$7^1\times {\mathrm{139}}^1\times {\mathrm{313}}^1\times {\mathrm{1031}}^1$

素因数の和:1490

約数の個数: 16

約数和(自身を含む): 362933760

約数和(自身を除く): 48943741

約数列:

[1, 7, 139, 313, 973, 1031, 2191, 7217, 43507, 143309, 304549, 322703, 1003163, 2258921, 44855717, 313990019]

約数ペア:

[(1, 313990019), (7, 44855717), (139, 2258921), (313, 1003163), (973, 322703), (1031, 304549), (2191, 143309), (7217, 43507)]