1415721890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{12870199}}^1$

素因数の和:12870217

約数の個数: 16

約数和(自身を含む): 2779963200

約数和(自身を除く): 1364241310

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 12870199, 25740398, 64350995, 128701990, 141572189, 283144378, 707860945, 1415721890]

約数ペア:

[(1, 1415721890), (2, 707860945), (5, 283144378), (10, 141572189), (11, 128701990), (22, 64350995), (55, 25740398), (110, 12870199)]