12661990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{1951}}^1$

素因数の和:2028

約数の個数: 32

約数和(自身を含む): 25297920

約数和(自身を除く): 12635930

約数列:

[1, 2, 5, 10, 11, 22, 55, 59, 110, 118, 295, 590, 649, 1298, 1951, 3245, 3902, 6490, 9755, 19510, 21461, 42922, 107305, 115109, 214610, 230218, 575545, 1151090, 1266199, 2532398, 6330995, 12661990]

約数ペア:

[(1, 12661990), (2, 6330995), (5, 2532398), (10, 1266199), (11, 1151090), (22, 575545), (55, 230218), (59, 214610), (110, 115109), (118, 107305), (295, 42922), (590, 21461), (649, 19510), (1298, 9755), (1951, 6490), (3245, 3902)]