256880068

素因数分解:

$2^2\times {\mathrm{167}}^1\times {\mathrm{239}}^1\times {\mathrm{1609}}^1$

素因数の和:2019

約数の個数: 24

約数和(自身を含む): 454406400

約数和(自身を除く): 197526332

約数列:

[1, 2, 4, 167, 239, 334, 478, 668, 956, 1609, 3218, 6436, 39913, 79826, 159652, 268703, 384551, 537406, 769102, 1074812, 1538204, 64220017, 128440034, 256880068]

約数ペア:

[(1, 256880068), (2, 128440034), (4, 64220017), (167, 1538204), (239, 1074812), (334, 769102), (478, 537406), (668, 384551), (956, 268703), (1609, 159652), (3218, 79826), (6436, 39913)]