85715188

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{18521}}^1$

素因数の和:18627

約数の個数: 24

約数和(自身を含む): 163364040

約数和(自身を除く): 77648852

約数列:

[1, 2, 4, 13, 26, 52, 89, 178, 356, 1157, 2314, 4628, 18521, 37042, 74084, 240773, 481546, 963092, 1648369, 3296738, 6593476, 21428797, 42857594, 85715188]

約数ペア:

[(1, 85715188), (2, 42857594), (4, 21428797), (13, 6593476), (26, 3296738), (52, 1648369), (89, 963092), (178, 481546), (356, 240773), (1157, 74084), (2314, 37042), (4628, 18521)]