16905708

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1$

素因数の和:283

約数の個数: 72

約数和(自身を含む): 44652608

約数和(自身を除く): 27746900

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 67, 86, 129, 134, 163, 172, 201, 258, 268, 326, 387, 402, 489, 516, 603, 652, 774, 804, 978, 1206, 1467, 1548, 1956, 2412, 2881, 2934, 5762, 5868, 7009, 8643, 10921, 11524, 14018, 17286, 21027, 21842, 25929, 28036, 32763, 34572, 42054, 43684, 51858, 63081, 65526, 84108, 98289, 103716, 126162, 131052, 196578, 252324, 393156, 469603, 939206, 1408809, 1878412, 2817618, 4226427, 5635236, 8452854, 16905708]

約数ペア:

[(1, 16905708), (2, 8452854), (3, 5635236), (4, 4226427), (6, 2817618), (9, 1878412), (12, 1408809), (18, 939206), (36, 469603), (43, 393156), (67, 252324), (86, 196578), (129, 131052), (134, 126162), (163, 103716), (172, 98289), (201, 84108), (258, 65526), (268, 63081), (326, 51858), (387, 43684), (402, 42054), (489, 34572), (516, 32763), (603, 28036), (652, 25929), (774, 21842), (804, 21027), (978, 17286), (1206, 14018), (1467, 11524), (1548, 10921), (1956, 8643), (2412, 7009), (2881, 5868), (2934, 5762)]