395169008

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{743}}^1\times {\mathrm{2557}}^1$

素因数の和:3321

約数の個数: 40

約数和(自身を含む): 825967968

約数和(自身を除く): 430798960

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 743, 1486, 2557, 2972, 5114, 5944, 9659, 10228, 11888, 19318, 20456, 33241, 38636, 40912, 66482, 77272, 132964, 154544, 265928, 531856, 1899851, 3799702, 7599404, 15198808, 24698063, 30397616, 49396126, 98792252, 197584504, 395169008]

約数ペア:

[(1, 395169008), (2, 197584504), (4, 98792252), (8, 49396126), (13, 30397616), (16, 24698063), (26, 15198808), (52, 7599404), (104, 3799702), (208, 1899851), (743, 531856), (1486, 265928), (2557, 154544), (2972, 132964), (5114, 77272), (5944, 66482), (9659, 40912), (10228, 38636), (11888, 33241), (19318, 20456)]