640005364

素因数分解:

$2^2\times {\mathrm{83}}^1\times {\mathrm{137}}^1\times {\mathrm{14071}}^1$

素因数の和:14295

約数の個数: 24

約数和(自身を含む): 1141858368

約数和(自身を除く): 501853004

約数列:

[1, 2, 4, 83, 137, 166, 274, 332, 548, 11371, 14071, 22742, 28142, 45484, 56284, 1167893, 1927727, 2335786, 3855454, 4671572, 7710908, 160001341, 320002682, 640005364]

約数ペア:

[(1, 640005364), (2, 320002682), (4, 160001341), (83, 7710908), (137, 4671572), (166, 3855454), (274, 2335786), (332, 1927727), (548, 1167893), (11371, 56284), (14071, 45484), (22742, 28142)]