85519784

素因数分解:

$2^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1$

素因数の和:378

約数の個数: 64

約数和(自身を含む): 188386560

約数和(自身を除く): 102866776

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 71, 137, 142, 157, 274, 284, 314, 497, 548, 568, 628, 959, 994, 1096, 1099, 1256, 1918, 1988, 2198, 3836, 3976, 4396, 7672, 8792, 9727, 11147, 19454, 21509, 22294, 38908, 43018, 44588, 68089, 77816, 78029, 86036, 89176, 136178, 150563, 156058, 172072, 272356, 301126, 312116, 544712, 602252, 624232, 1204504, 1527139, 3054278, 6108556, 10689973, 12217112, 21379946, 42759892, 85519784]

約数ペア:

[(1, 85519784), (2, 42759892), (4, 21379946), (7, 12217112), (8, 10689973), (14, 6108556), (28, 3054278), (56, 1527139), (71, 1204504), (137, 624232), (142, 602252), (157, 544712), (274, 312116), (284, 301126), (314, 272356), (497, 172072), (548, 156058), (568, 150563), (628, 136178), (959, 89176), (994, 86036), (1096, 78029), (1099, 77816), (1256, 68089), (1918, 44588), (1988, 43018), (2198, 38908), (3836, 22294), (3976, 21509), (4396, 19454), (7672, 11147), (8792, 9727)]