1387019216

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{7880791}}^1$

素因数の和:7880810

約数の個数: 20

約数和(自身を含む): 2931654624

約数和(自身を除く): 1544635408

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 7880791, 15761582, 31523164, 63046328, 86688701, 126092656, 173377402, 346754804, 693509608, 1387019216]

約数ペア:

[(1, 1387019216), (2, 693509608), (4, 346754804), (8, 173377402), (11, 126092656), (16, 86688701), (22, 63046328), (44, 31523164), (88, 15761582), (176, 7880791)]