203490595

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31091}}^1$

素因数の和:31131

約数の個数: 32

約数和(自身を含む): 322361856

約数和(自身を除く): 118871261

約数列:

[1, 5, 7, 11, 17, 35, 55, 77, 85, 119, 187, 385, 595, 935, 1309, 6545, 31091, 155455, 217637, 342001, 528547, 1088185, 1710005, 2394007, 2642735, 3699829, 5814017, 11970035, 18499145, 29070085, 40698119, 203490595]

約数ペア:

[(1, 203490595), (5, 40698119), (7, 29070085), (11, 18499145), (17, 11970035), (35, 5814017), (55, 3699829), (77, 2642735), (85, 2394007), (119, 1710005), (187, 1088185), (385, 528547), (595, 342001), (935, 217637), (1309, 155455), (6545, 31091)]