87778790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{7321}}^1$

素因数の和:7448

約数の個数: 32

約数和(自身を含む): 173970720

約数和(自身を除く): 86191930

約数列:

[1, 2, 5, 10, 11, 22, 55, 109, 110, 218, 545, 1090, 1199, 2398, 5995, 7321, 11990, 14642, 36605, 73210, 80531, 161062, 402655, 797989, 805310, 1595978, 3989945, 7979890, 8777879, 17555758, 43889395, 87778790]

約数ペア:

[(1, 87778790), (2, 43889395), (5, 17555758), (10, 8777879), (11, 7979890), (22, 3989945), (55, 1595978), (109, 805310), (110, 797989), (218, 402655), (545, 161062), (1090, 80531), (1199, 73210), (2398, 36605), (5995, 14642), (7321, 11990)]