81239176

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{191}}^1\times {\mathrm{673}}^1$

素因数の和:949

約数の個数: 32

約数和(自身を含む): 155289600

約数和(自身を除く): 74050424

約数列:

[1, 2, 4, 8, 79, 158, 191, 316, 382, 632, 673, 764, 1346, 1528, 2692, 5384, 15089, 30178, 53167, 60356, 106334, 120712, 128543, 212668, 257086, 425336, 514172, 1028344, 10154897, 20309794, 40619588, 81239176]

約数ペア:

[(1, 81239176), (2, 40619588), (4, 20309794), (8, 10154897), (79, 1028344), (158, 514172), (191, 425336), (316, 257086), (382, 212668), (632, 128543), (673, 120712), (764, 106334), (1346, 60356), (1528, 53167), (2692, 30178), (5384, 15089)]