142109455

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{131}}^1\times {\mathrm{601}}^1$

素因数の和:775

約数の個数: 24

約数和(自身を含む): 181654704

約数和(自身を除く): 39545249

約数列:

[1, 5, 19, 95, 131, 361, 601, 655, 1805, 2489, 3005, 11419, 12445, 47291, 57095, 78731, 216961, 236455, 393655, 1084805, 1495889, 7479445, 28421891, 142109455]

約数ペア:

[(1, 142109455), (5, 28421891), (19, 7479445), (95, 1495889), (131, 1084805), (361, 393655), (601, 236455), (655, 216961), (1805, 78731), (2489, 57095), (3005, 47291), (11419, 12445)]