123772495

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{18911}}^1$

素因数の和:18951

約数の個数: 32

約数和(自身を含む): 196079616

約数和(自身を除く): 72307121

約数列:

[1, 5, 7, 11, 17, 35, 55, 77, 85, 119, 187, 385, 595, 935, 1309, 6545, 18911, 94555, 132377, 208021, 321487, 661885, 1040105, 1456147, 1607435, 2250409, 3536357, 7280735, 11252045, 17681785, 24754499, 123772495]

約数ペア:

[(1, 123772495), (5, 24754499), (7, 17681785), (11, 11252045), (17, 7280735), (35, 3536357), (55, 2250409), (77, 1607435), (85, 1456147), (119, 1040105), (187, 661885), (385, 321487), (595, 208021), (935, 132377), (1309, 94555), (6545, 18911)]