256652

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{307}}^1$

素因数の和:341

約数の個数: 24

約数和(自身を含む): 517440

約数和(自身を除く): 260788

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 307, 418, 614, 836, 1228, 3377, 5833, 6754, 11666, 13508, 23332, 64163, 128326, 256652]

約数ペア:

[(1, 256652), (2, 128326), (4, 64163), (11, 23332), (19, 13508), (22, 11666), (38, 6754), (44, 5833), (76, 3377), (209, 1228), (307, 836), (418, 614)]