81389030

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{2269}}^1$

素因数の和:2504

約数の個数: 32

約数和(自身を含む): 155921760

約数和(自身を除く): 74532730

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 211, 422, 1055, 2110, 2269, 3587, 4538, 7174, 11345, 17935, 22690, 35870, 38573, 77146, 192865, 385730, 478759, 957518, 2393795, 4787590, 8138903, 16277806, 40694515, 81389030]

約数ペア:

[(1, 81389030), (2, 40694515), (5, 16277806), (10, 8138903), (17, 4787590), (34, 2393795), (85, 957518), (170, 478759), (211, 385730), (422, 192865), (1055, 77146), (2110, 38573), (2269, 35870), (3587, 22690), (4538, 17935), (7174, 11345)]