490992385

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{19319}}^1$

素因数の和:19377

約数の個数: 32

約数和(自身を含む): 701084160

約数和(自身を除く): 210091775

約数列:

[1, 5, 13, 17, 23, 65, 85, 115, 221, 299, 391, 1105, 1495, 1955, 5083, 19319, 25415, 96595, 251147, 328423, 444337, 1255735, 1642115, 2221685, 4269499, 5776381, 7553729, 21347495, 28881905, 37768645, 98198477, 490992385]

約数ペア:

[(1, 490992385), (5, 98198477), (13, 37768645), (17, 28881905), (23, 21347495), (65, 7553729), (85, 5776381), (115, 4269499), (221, 2221685), (299, 1642115), (391, 1255735), (1105, 444337), (1495, 328423), (1955, 251147), (5083, 96595), (19319, 25415)]