90287444

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{271}}^1$

素因数の和:480

約数の個数: 48

約数和(自身を含む): 175929600

約数和(自身を除く): 85642156

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 149, 172, 271, 298, 542, 559, 596, 1084, 1118, 1937, 2236, 3523, 3874, 6407, 7046, 7748, 11653, 12814, 14092, 23306, 25628, 40379, 46612, 80758, 83291, 151489, 161516, 166582, 302978, 333164, 524927, 605956, 1049854, 1736297, 2099708, 3472594, 6945188, 22571861, 45143722, 90287444]

約数ペア:

[(1, 90287444), (2, 45143722), (4, 22571861), (13, 6945188), (26, 3472594), (43, 2099708), (52, 1736297), (86, 1049854), (149, 605956), (172, 524927), (271, 333164), (298, 302978), (542, 166582), (559, 161516), (596, 151489), (1084, 83291), (1118, 80758), (1937, 46612), (2236, 40379), (3523, 25628), (3874, 23306), (6407, 14092), (7046, 12814), (7748, 11653)]