7871795

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:155

約数の個数: 32

約数和(自身を含む): 10644480

約数和(自身を除く): 2772685

約数列:

[1, 5, 19, 41, 43, 47, 95, 205, 215, 235, 779, 817, 893, 1763, 1927, 2021, 3895, 4085, 4465, 8815, 9635, 10105, 33497, 36613, 38399, 82861, 167485, 183065, 191995, 414305, 1574359, 7871795]

約数ペア:

[(1, 7871795), (5, 1574359), (19, 414305), (41, 191995), (43, 183065), (47, 167485), (95, 82861), (205, 38399), (215, 36613), (235, 33497), (779, 10105), (817, 9635), (893, 8815), (1763, 4465), (1927, 4085), (2021, 3895)]