813528025

素因数分解:

$5^2\times {\mathrm{61}}^1\times {\mathrm{701}}^1\times {\mathrm{761}}^1$

素因数の和:1533

約数の個数: 24

約数和(自身を含む): 1028123928

約数和(自身を除く): 214595903

約数列:

[1, 5, 25, 61, 305, 701, 761, 1525, 3505, 3805, 17525, 19025, 42761, 46421, 213805, 232105, 533461, 1069025, 1160525, 2667305, 13336525, 32541121, 162705605, 813528025]

約数ペア:

[(1, 813528025), (5, 162705605), (25, 32541121), (61, 13336525), (305, 2667305), (701, 1160525), (761, 1069025), (1525, 533461), (3505, 232105), (3805, 213805), (17525, 46421), (19025, 42761)]