78104125

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1321}}^1$

素因数の和:1390

約数の個数: 32

約数和(自身を含む): 108890496

約数和(自身を除く): 30786371

約数列:

[1, 5, 11, 25, 43, 55, 125, 215, 275, 473, 1075, 1321, 1375, 2365, 5375, 6605, 11825, 14531, 33025, 56803, 59125, 72655, 165125, 284015, 363275, 624833, 1420075, 1816375, 3124165, 7100375, 15620825, 78104125]

約数ペア:

[(1, 78104125), (5, 15620825), (11, 7100375), (25, 3124165), (43, 1816375), (55, 1420075), (125, 624833), (215, 363275), (275, 284015), (473, 165125), (1075, 72655), (1321, 59125), (1375, 56803), (2365, 33025), (5375, 14531), (6605, 11825)]