390366946

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{191}}^1\times {\mathrm{389}}^1$

素因数の和:690

約数の個数: 32

約数和(自身を含む): 614615040

約数和(自身を除く): 224248094

約数列:

[1, 2, 37, 71, 74, 142, 191, 382, 389, 778, 2627, 5254, 7067, 13561, 14134, 14393, 27122, 27619, 28786, 55238, 74299, 148598, 501757, 1003514, 1021903, 2043806, 2749063, 5275229, 5498126, 10550458, 195183473, 390366946]

約数ペア:

[(1, 390366946), (2, 195183473), (37, 10550458), (71, 5498126), (74, 5275229), (142, 2749063), (191, 2043806), (382, 1021903), (389, 1003514), (778, 501757), (2627, 148598), (5254, 74299), (7067, 55238), (13561, 28786), (14134, 27619), (14393, 27122)]