128977282

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{457}}^1\times {\mathrm{1061}}^1$

素因数の和:1546

約数の個数: 32

約数和(自身を含む): 233470080

約数和(自身を除く): 104492798

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 457, 914, 1061, 2122, 3199, 6398, 7427, 8683, 14854, 17366, 20159, 40318, 60781, 121562, 141113, 282226, 484877, 969754, 3394139, 6788278, 9212663, 18425326, 64488641, 128977282]

約数ペア:

[(1, 128977282), (2, 64488641), (7, 18425326), (14, 9212663), (19, 6788278), (38, 3394139), (133, 969754), (266, 484877), (457, 282226), (914, 141113), (1061, 121562), (2122, 60781), (3199, 40318), (6398, 20159), (7427, 17366), (8683, 14854)]