28161510

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{443}}^1$

素因数の和:629

約数の個数: 64

約数和(自身を含む): 73398528

約数和(自身を除く): 45237018

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 163, 195, 326, 390, 443, 489, 815, 886, 978, 1329, 1630, 2119, 2215, 2445, 2658, 4238, 4430, 4890, 5759, 6357, 6645, 10595, 11518, 12714, 13290, 17277, 21190, 28795, 31785, 34554, 57590, 63570, 72209, 86385, 144418, 172770, 216627, 361045, 433254, 722090, 938717, 1083135, 1877434, 2166270, 2816151, 4693585, 5632302, 9387170, 14080755, 28161510]

約数ペア:

[(1, 28161510), (2, 14080755), (3, 9387170), (5, 5632302), (6, 4693585), (10, 2816151), (13, 2166270), (15, 1877434), (26, 1083135), (30, 938717), (39, 722090), (65, 433254), (78, 361045), (130, 216627), (163, 172770), (195, 144418), (326, 86385), (390, 72209), (443, 63570), (489, 57590), (815, 34554), (886, 31785), (978, 28795), (1329, 21190), (1630, 17277), (2119, 13290), (2215, 12714), (2445, 11518), (2658, 10595), (4238, 6645), (4430, 6357), (4890, 5759)]