1638728

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2251}}^1$

素因数の和:2277

約数の個数: 32

約数和(自身を含む): 3783360

約数和(自身を除く): 2144632

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 2251, 4502, 9004, 15757, 18008, 29263, 31514, 58526, 63028, 117052, 126056, 204841, 234104, 409682, 819364, 1638728]

約数ペア:

[(1, 1638728), (2, 819364), (4, 409682), (7, 234104), (8, 204841), (13, 126056), (14, 117052), (26, 63028), (28, 58526), (52, 31514), (56, 29263), (91, 18008), (104, 15757), (182, 9004), (364, 4502), (728, 2251)]