1888757981

素因数分解:

${\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{151}}^1\times {\mathrm{421}}^1$

素因数の和:693

約数の個数: 32

約数和(自身を含む): 2164475136

約数和(自身を除く): 275717155

約数列:

[1, 11, 37, 73, 151, 407, 421, 803, 1661, 2701, 4631, 5587, 11023, 15577, 29711, 30733, 61457, 63571, 121253, 171347, 338063, 407851, 699281, 1137121, 2352127, 4486361, 4640683, 12508331, 25873397, 51047513, 171705271, 1888757981]

約数ペア:

[(1, 1888757981), (11, 171705271), (37, 51047513), (73, 25873397), (151, 12508331), (407, 4640683), (421, 4486361), (803, 2352127), (1661, 1137121), (2701, 699281), (4631, 407851), (5587, 338063), (11023, 171347), (15577, 121253), (29711, 63571), (30733, 61457)]