17969735

素因数分解:

$5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:255

約数の個数: 32

約数和(自身を含む): 25589760

約数和(自身を除く): 7620025

約数列:

[1, 5, 7, 35, 67, 79, 97, 335, 395, 469, 485, 553, 679, 2345, 2765, 3395, 5293, 6499, 7663, 26465, 32495, 37051, 38315, 45493, 53641, 185255, 227465, 268205, 513421, 2567105, 3593947, 17969735]

約数ペア:

[(1, 17969735), (5, 3593947), (7, 2567105), (35, 513421), (67, 268205), (79, 227465), (97, 185255), (335, 53641), (395, 45493), (469, 38315), (485, 37051), (553, 32495), (679, 26465), (2345, 7663), (2765, 6499), (3395, 5293)]