31491970

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^2\times {\mathrm{113}}^1$

素因数の和:211

約数の個数: 48

約数和(自身を含む): 61129080

約数和(自身を除く): 29637110

約数列:

[1, 2, 5, 10, 29, 31, 58, 62, 113, 145, 155, 226, 290, 310, 565, 899, 961, 1130, 1798, 1922, 3277, 3503, 4495, 4805, 6554, 7006, 8990, 9610, 16385, 17515, 27869, 32770, 35030, 55738, 101587, 108593, 139345, 203174, 217186, 278690, 507935, 542965, 1015870, 1085930, 3149197, 6298394, 15745985, 31491970]

約数ペア:

[(1, 31491970), (2, 15745985), (5, 6298394), (10, 3149197), (29, 1085930), (31, 1015870), (58, 542965), (62, 507935), (113, 278690), (145, 217186), (155, 203174), (226, 139345), (290, 108593), (310, 101587), (565, 55738), (899, 35030), (961, 32770), (1130, 27869), (1798, 17515), (1922, 16385), (3277, 9610), (3503, 8990), (4495, 7006), (4805, 6554)]