31326988

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1$

素因数の和:263

約数の個数: 96

約数和(自身を含む): 75091968

約数和(自身を除く): 43764980

約数列:

[1, 2, 4, 7, 11, 14, 17, 22, 28, 31, 34, 44, 62, 68, 77, 119, 124, 154, 187, 193, 217, 238, 308, 341, 374, 386, 434, 476, 527, 682, 748, 772, 868, 1054, 1309, 1351, 1364, 2108, 2123, 2387, 2618, 2702, 3281, 3689, 4246, 4774, 5236, 5404, 5797, 5983, 6562, 7378, 8492, 9548, 11594, 11966, 13124, 14756, 14861, 22967, 23188, 23932, 29722, 36091, 40579, 41881, 45934, 59444, 65813, 72182, 81158, 83762, 91868, 101711, 131626, 144364, 162316, 167524, 203422, 252637, 263252, 406844, 460691, 505274, 711977, 921382, 1010548, 1118821, 1423954, 1842764, 2237642, 2847908, 4475284, 7831747, 15663494, 31326988]

約数ペア:

[(1, 31326988), (2, 15663494), (4, 7831747), (7, 4475284), (11, 2847908), (14, 2237642), (17, 1842764), (22, 1423954), (28, 1118821), (31, 1010548), (34, 921382), (44, 711977), (62, 505274), (68, 460691), (77, 406844), (119, 263252), (124, 252637), (154, 203422), (187, 167524), (193, 162316), (217, 144364), (238, 131626), (308, 101711), (341, 91868), (374, 83762), (386, 81158), (434, 72182), (476, 65813), (527, 59444), (682, 45934), (748, 41881), (772, 40579), (868, 36091), (1054, 29722), (1309, 23932), (1351, 23188), (1364, 22967), (2108, 14861), (2123, 14756), (2387, 13124), (2618, 11966), (2702, 11594), (3281, 9548), (3689, 8492), (4246, 7378), (4774, 6562), (5236, 5983), (5404, 5797)]