28178330

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{3449}}^1$

素因数の和:3518

約数の個数: 32

約数和(自身を含む): 54648000

約数和(自身を除く): 26469670

約数列:

[1, 2, 5, 10, 19, 38, 43, 86, 95, 190, 215, 430, 817, 1634, 3449, 4085, 6898, 8170, 17245, 34490, 65531, 131062, 148307, 296614, 327655, 655310, 741535, 1483070, 2817833, 5635666, 14089165, 28178330]

約数ペア:

[(1, 28178330), (2, 14089165), (5, 5635666), (10, 2817833), (19, 1483070), (38, 741535), (43, 655310), (86, 327655), (95, 296614), (190, 148307), (215, 131062), (430, 65531), (817, 34490), (1634, 17245), (3449, 8170), (4085, 6898)]