1640887916

素因数分解:

$2^2\times {\mathrm{113}}^1\times {\mathrm{421}}^1\times {\mathrm{8623}}^1$

素因数の和:9161

約数の個数: 24

約数和(自身を含む): 2904183744

約数和(自身を除く): 1263295828

約数列:

[1, 2, 4, 113, 226, 421, 452, 842, 1684, 8623, 17246, 34492, 47573, 95146, 190292, 974399, 1948798, 3630283, 3897596, 7260566, 14521132, 410221979, 820443958, 1640887916]

約数ペア:

[(1, 1640887916), (2, 820443958), (4, 410221979), (113, 14521132), (226, 7260566), (421, 3897596), (452, 3630283), (842, 1948798), (1684, 974399), (8623, 190292), (17246, 95146), (34492, 47573)]