203425145

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31081}}^1$

素因数の和:31121

約数の個数: 32

約数和(自身を含む): 322258176

約数和(自身を除く): 118833031

約数列:

[1, 5, 7, 11, 17, 35, 55, 77, 85, 119, 187, 385, 595, 935, 1309, 6545, 31081, 155405, 217567, 341891, 528377, 1087835, 1709455, 2393237, 2641885, 3698639, 5812147, 11966185, 18493195, 29060735, 40685029, 203425145]

約数ペア:

[(1, 203425145), (5, 40685029), (7, 29060735), (11, 18493195), (17, 11966185), (35, 5812147), (55, 3698639), (77, 2641885), (85, 2393237), (119, 1709455), (187, 1087835), (385, 528377), (595, 341891), (935, 217567), (1309, 155405), (6545, 31081)]