8639390

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^3$

素因数の和:129

約数の個数: 32

約数和(自身を含む): 16623360

約数和(自身を除く): 7983970

約数列:

[1, 2, 5, 10, 29, 31, 58, 62, 145, 155, 290, 310, 899, 961, 1798, 1922, 4495, 4805, 8990, 9610, 27869, 29791, 55738, 59582, 139345, 148955, 278690, 297910, 863939, 1727878, 4319695, 8639390]

約数ペア:

[(1, 8639390), (2, 4319695), (5, 1727878), (10, 863939), (29, 297910), (31, 278690), (58, 148955), (62, 139345), (145, 59582), (155, 55738), (290, 29791), (310, 27869), (899, 9610), (961, 8990), (1798, 4805), (1922, 4495)]