643881136

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{463}}^1\times {\mathrm{3779}}^1$

素因数の和:4273

約数の個数: 40

約数和(自身を含む): 1304916480

約数和(自身を除く): 661035344

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 463, 926, 1852, 3704, 3779, 7408, 7558, 10649, 15116, 21298, 30232, 42596, 60464, 85192, 86917, 170384, 173834, 347668, 695336, 1390672, 1749677, 3499354, 6998708, 13997416, 27994832, 40242571, 80485142, 160970284, 321940568, 643881136]

約数ペア:

[(1, 643881136), (2, 321940568), (4, 160970284), (8, 80485142), (16, 40242571), (23, 27994832), (46, 13997416), (92, 6998708), (184, 3499354), (368, 1749677), (463, 1390672), (926, 695336), (1852, 347668), (3704, 173834), (3779, 170384), (7408, 86917), (7558, 85192), (10649, 60464), (15116, 42596), (21298, 30232)]