161776564

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{40163}}^1$

素因数の和:40239

約数の個数: 24

約数和(自身を含む): 303639840

約数和(自身を除く): 141863276

約数列:

[1, 2, 4, 19, 38, 53, 76, 106, 212, 1007, 2014, 4028, 40163, 80326, 160652, 763097, 1526194, 2128639, 3052388, 4257278, 8514556, 40444141, 80888282, 161776564]

約数ペア:

[(1, 161776564), (2, 80888282), (4, 40444141), (19, 8514556), (38, 4257278), (53, 3052388), (76, 2128639), (106, 1526194), (212, 763097), (1007, 160652), (2014, 80326), (4028, 40163)]