78613885

素因数分解:

$5^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{1993}}^1$

素因数の和:2042

約数の個数: 32

約数和(自身を含む): 114854400

約数和(自身を除く): 36240515

約数列:

[1, 5, 7, 23, 35, 49, 115, 161, 245, 343, 805, 1127, 1715, 1993, 5635, 7889, 9965, 13951, 39445, 45839, 69755, 97657, 229195, 320873, 488285, 683599, 1604365, 2246111, 3417995, 11230555, 15722777, 78613885]

約数ペア:

[(1, 78613885), (5, 15722777), (7, 11230555), (23, 3417995), (35, 2246111), (49, 1604365), (115, 683599), (161, 488285), (245, 320873), (343, 229195), (805, 97657), (1127, 69755), (1715, 45839), (1993, 39445), (5635, 13951), (7889, 9965)]