640610168

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{316507}}^1$

素因数の和:316547

約数の個数: 32

約数和(自身を含む): 1367314560

約数和(自身を除く): 726704392

約数列:

[1, 2, 4, 8, 11, 22, 23, 44, 46, 88, 92, 184, 253, 506, 1012, 2024, 316507, 633014, 1266028, 2532056, 3481577, 6963154, 7279661, 13926308, 14559322, 27852616, 29118644, 58237288, 80076271, 160152542, 320305084, 640610168]

約数ペア:

[(1, 640610168), (2, 320305084), (4, 160152542), (8, 80076271), (11, 58237288), (22, 29118644), (23, 27852616), (44, 14559322), (46, 13926308), (88, 7279661), (92, 6963154), (184, 3481577), (253, 2532056), (506, 1266028), (1012, 633014), (2024, 316507)]