291278910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{746869}}^1$

素因数の和:746892

約数の個数: 32

約数和(自身を含む): 752844960

約数和(自身を除く): 461566050

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 746869, 1493738, 2240607, 3734345, 4481214, 7468690, 9709297, 11203035, 19418594, 22406070, 29127891, 48546485, 58255782, 97092970, 145639455, 291278910]

約数ペア:

[(1, 291278910), (2, 145639455), (3, 97092970), (5, 58255782), (6, 48546485), (10, 29127891), (13, 22406070), (15, 19418594), (26, 11203035), (30, 9709297), (39, 7468690), (65, 4481214), (78, 3734345), (130, 2240607), (195, 1493738), (390, 746869)]