81816448

素因数分解:

$2^7\times 7^1\times {\mathrm{127}}^1\times {\mathrm{719}}^1$

素因数の和:867

約数の個数: 64

約数和(自身を含む): 188006400

約数和(自身を除く): 106189952

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 127, 128, 224, 254, 448, 508, 719, 889, 896, 1016, 1438, 1778, 2032, 2876, 3556, 4064, 5033, 5752, 7112, 8128, 10066, 11504, 14224, 16256, 20132, 23008, 28448, 40264, 46016, 56896, 80528, 91313, 92032, 113792, 161056, 182626, 322112, 365252, 639191, 644224, 730504, 1278382, 1461008, 2556764, 2922016, 5113528, 5844032, 10227056, 11688064, 20454112, 40908224, 81816448]

約数ペア:

[(1, 81816448), (2, 40908224), (4, 20454112), (7, 11688064), (8, 10227056), (14, 5844032), (16, 5113528), (28, 2922016), (32, 2556764), (56, 1461008), (64, 1278382), (112, 730504), (127, 644224), (128, 639191), (224, 365252), (254, 322112), (448, 182626), (508, 161056), (719, 113792), (889, 92032), (896, 91313), (1016, 80528), (1438, 56896), (1778, 46016), (2032, 40264), (2876, 28448), (3556, 23008), (4064, 20132), (5033, 16256), (5752, 14224), (7112, 11504), (8128, 10066)]