67388656

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{433}}^1$

素因数の和:649

約数の個数: 40

約数和(自身を含む): 133678944

約数和(自身を除く): 66290288

約数列:

[1, 2, 4, 8, 16, 71, 137, 142, 274, 284, 433, 548, 568, 866, 1096, 1136, 1732, 2192, 3464, 6928, 9727, 19454, 30743, 38908, 59321, 61486, 77816, 118642, 122972, 155632, 237284, 245944, 474568, 491888, 949136, 4211791, 8423582, 16847164, 33694328, 67388656]

約数ペア:

[(1, 67388656), (2, 33694328), (4, 16847164), (8, 8423582), (16, 4211791), (71, 949136), (137, 491888), (142, 474568), (274, 245944), (284, 237284), (433, 155632), (548, 122972), (568, 118642), (866, 77816), (1096, 61486), (1136, 59321), (1732, 38908), (2192, 30743), (3464, 19454), (6928, 9727)]