15288890

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{331}}^1$

素因数の和:518

約数の個数: 32

約数和(自身を含む): 28684800

約数和(自身を除く): 13395910

約数列:

[1, 2, 5, 10, 31, 62, 149, 155, 298, 310, 331, 662, 745, 1490, 1655, 3310, 4619, 9238, 10261, 20522, 23095, 46190, 49319, 51305, 98638, 102610, 246595, 493190, 1528889, 3057778, 7644445, 15288890]

約数ペア:

[(1, 15288890), (2, 7644445), (5, 3057778), (10, 1528889), (31, 493190), (62, 246595), (149, 102610), (155, 98638), (298, 51305), (310, 49319), (331, 46190), (662, 23095), (745, 20522), (1490, 10261), (1655, 9238), (3310, 4619)]