81461810

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{353}}^1\times {\mathrm{491}}^1$

素因数の和:898

約数の個数: 32

約数和(自身を含む): 150481152

約数和(自身を除く): 69019342

約数列:

[1, 2, 5, 10, 47, 94, 235, 353, 470, 491, 706, 982, 1765, 2455, 3530, 4910, 16591, 23077, 33182, 46154, 82955, 115385, 165910, 173323, 230770, 346646, 866615, 1733230, 8146181, 16292362, 40730905, 81461810]

約数ペア:

[(1, 81461810), (2, 40730905), (5, 16292362), (10, 8146181), (47, 1733230), (94, 866615), (235, 346646), (353, 230770), (470, 173323), (491, 165910), (706, 115385), (982, 82955), (1765, 46154), (2455, 33182), (3530, 23077), (4910, 16591)]