278313372

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{1103}}^1$

素因数の和:1319

約数の個数: 72

約数和(自身を含む): 724948224

約数和(自身を除く): 446634852

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 163, 172, 258, 326, 387, 489, 516, 652, 774, 978, 1103, 1467, 1548, 1956, 2206, 2934, 3309, 4412, 5868, 6618, 7009, 9927, 13236, 14018, 19854, 21027, 28036, 39708, 42054, 47429, 63081, 84108, 94858, 126162, 142287, 179789, 189716, 252324, 284574, 359578, 426861, 539367, 569148, 719156, 853722, 1078734, 1618101, 1707444, 2157468, 3236202, 6472404, 7730927, 15461854, 23192781, 30923708, 46385562, 69578343, 92771124, 139156686, 278313372]

約数ペア:

[(1, 278313372), (2, 139156686), (3, 92771124), (4, 69578343), (6, 46385562), (9, 30923708), (12, 23192781), (18, 15461854), (36, 7730927), (43, 6472404), (86, 3236202), (129, 2157468), (163, 1707444), (172, 1618101), (258, 1078734), (326, 853722), (387, 719156), (489, 569148), (516, 539367), (652, 426861), (774, 359578), (978, 284574), (1103, 252324), (1467, 189716), (1548, 179789), (1956, 142287), (2206, 126162), (2934, 94858), (3309, 84108), (4412, 63081), (5868, 47429), (6618, 42054), (7009, 39708), (9927, 28036), (13236, 21027), (14018, 19854)]