457402985

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{4283}}^1$

素因数の和:4385

約数の個数: 32

約数和(自身を含む): 621831168

約数和(自身を除く): 164428183

約数列:

[1, 5, 13, 31, 53, 65, 155, 265, 403, 689, 1643, 2015, 3445, 4283, 8215, 21359, 21415, 55679, 106795, 132773, 226999, 278395, 663865, 1134995, 1726049, 2950987, 7036969, 8630245, 14754935, 35184845, 91480597, 457402985]

約数ペア:

[(1, 457402985), (5, 91480597), (13, 35184845), (31, 14754935), (53, 8630245), (65, 7036969), (155, 2950987), (265, 1726049), (403, 1134995), (689, 663865), (1643, 278395), (2015, 226999), (3445, 132773), (4283, 106795), (8215, 55679), (21359, 21415)]