81616808

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{112111}}^1$

素因数の和:112137

約数の個数: 32

約数和(自身を含む): 188348160

約数和(自身を除く): 106731352

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 112111, 224222, 448444, 784777, 896888, 1457443, 1569554, 2914886, 3139108, 5829772, 6278216, 10202101, 11659544, 20404202, 40808404, 81616808]

約数ペア:

[(1, 81616808), (2, 40808404), (4, 20404202), (7, 11659544), (8, 10202101), (13, 6278216), (14, 5829772), (26, 3139108), (28, 2914886), (52, 1569554), (56, 1457443), (91, 896888), (104, 784777), (182, 448444), (364, 224222), (728, 112111)]