1245408890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{11321899}}^1$

素因数の和:11321917

約数の個数: 16

約数和(自身を含む): 2445530400

約数和(自身を除く): 1200121510

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 11321899, 22643798, 56609495, 113218990, 124540889, 249081778, 622704445, 1245408890]

約数ペア:

[(1, 1245408890), (2, 622704445), (5, 249081778), (10, 124540889), (11, 113218990), (22, 56609495), (55, 22643798), (110, 11321899)]