81604528

素因数分解:

$2^4\times {\mathrm{241}}^1\times {\mathrm{21163}}^1$

素因数の和:21412

約数の個数: 20

約数和(自身を含む): 158772328

約数和(自身を除く): 77167800

約数列:

[1, 2, 4, 8, 16, 241, 482, 964, 1928, 3856, 21163, 42326, 84652, 169304, 338608, 5100283, 10200566, 20401132, 40802264, 81604528]

約数ペア:

[(1, 81604528), (2, 40802264), (4, 20401132), (8, 10200566), (16, 5100283), (241, 338608), (482, 169304), (964, 84652), (1928, 42326), (3856, 21163)]