128511790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{727}}^1\times {\mathrm{1607}}^1$

素因数の和:2352

約数の個数: 32

約数和(自身を含む): 252854784

約数和(自身を除く): 124342994

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 727, 1454, 1607, 3214, 3635, 7270, 7997, 8035, 15994, 16070, 17677, 35354, 39985, 79970, 88385, 176770, 1168289, 2336578, 5841445, 11682890, 12851179, 25702358, 64255895, 128511790]

約数ペア:

[(1, 128511790), (2, 64255895), (5, 25702358), (10, 12851179), (11, 11682890), (22, 5841445), (55, 2336578), (110, 1168289), (727, 176770), (1454, 88385), (1607, 79970), (3214, 39985), (3635, 35354), (7270, 17677), (7997, 16070), (8035, 15994)]