155657785

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{83}}^1\times {\mathrm{1039}}^1$

素因数の和:1165

約数の個数: 24

約数和(自身を含む): 199704960

約数和(自身を除く): 44047175

約数列:

[1, 5, 19, 83, 95, 361, 415, 1039, 1577, 1805, 5195, 7885, 19741, 29963, 86237, 98705, 149815, 375079, 431185, 1638503, 1875395, 8192515, 31131557, 155657785]

約数ペア:

[(1, 155657785), (5, 31131557), (19, 8192515), (83, 1875395), (95, 1638503), (361, 431185), (415, 375079), (1039, 149815), (1577, 98705), (1805, 86237), (5195, 29963), (7885, 19741)]