31618730

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{22111}}^1$

素因数の和:22142

約数の個数: 32

約数和(自身を含む): 66866688

約数和(自身を除く): 35247958

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 22111, 44222, 110555, 221110, 243221, 287443, 486442, 574886, 1216105, 1437215, 2432210, 2874430, 3161873, 6323746, 15809365, 31618730]

約数ペア:

[(1, 31618730), (2, 15809365), (5, 6323746), (10, 3161873), (11, 2874430), (13, 2432210), (22, 1437215), (26, 1216105), (55, 574886), (65, 486442), (110, 287443), (130, 243221), (143, 221110), (286, 110555), (715, 44222), (1430, 22111)]