398213856

素因数分解:

$2^5\times 3^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1193}}^1$

素因数の和:1289

約数の個数: 144

約数和(自身を含む): 1212578640

約数和(自身を除く): 814364784

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 32, 36, 38, 48, 57, 61, 72, 76, 96, 114, 122, 144, 152, 171, 183, 228, 244, 288, 304, 342, 366, 456, 488, 549, 608, 684, 732, 912, 976, 1098, 1159, 1193, 1368, 1464, 1824, 1952, 2196, 2318, 2386, 2736, 2928, 3477, 3579, 4392, 4636, 4772, 5472, 5856, 6954, 7158, 8784, 9272, 9544, 10431, 10737, 13908, 14316, 17568, 18544, 19088, 20862, 21474, 22667, 27816, 28632, 37088, 38176, 41724, 42948, 45334, 55632, 57264, 68001, 72773, 83448, 85896, 90668, 111264, 114528, 136002, 145546, 166896, 171792, 181336, 204003, 218319, 272004, 291092, 333792, 343584, 362672, 408006, 436638, 544008, 582184, 654957, 725344, 816012, 873276, 1088016, 1164368, 1309914, 1382687, 1632024, 1746552, 2176032, 2328736, 2619828, 2765374, 3264048, 3493104, 4148061, 5239656, 5530748, 6528096, 6986208, 8296122, 10479312, 11061496, 12444183, 16592244, 20958624, 22122992, 24888366, 33184488, 44245984, 49776732, 66368976, 99553464, 132737952, 199106928, 398213856]

約数ペア:

[(1, 398213856), (2, 199106928), (3, 132737952), (4, 99553464), (6, 66368976), (8, 49776732), (9, 44245984), (12, 33184488), (16, 24888366), (18, 22122992), (19, 20958624), (24, 16592244), (32, 12444183), (36, 11061496), (38, 10479312), (48, 8296122), (57, 6986208), (61, 6528096), (72, 5530748), (76, 5239656), (96, 4148061), (114, 3493104), (122, 3264048), (144, 2765374), (152, 2619828), (171, 2328736), (183, 2176032), (228, 1746552), (244, 1632024), (288, 1382687), (304, 1309914), (342, 1164368), (366, 1088016), (456, 873276), (488, 816012), (549, 725344), (608, 654957), (684, 582184), (732, 544008), (912, 436638), (976, 408006), (1098, 362672), (1159, 343584), (1193, 333792), (1368, 291092), (1464, 272004), (1824, 218319), (1952, 204003), (2196, 181336), (2318, 171792), (2386, 166896), (2736, 145546), (2928, 136002), (3477, 114528), (3579, 111264), (4392, 90668), (4636, 85896), (4772, 83448), (5472, 72773), (5856, 68001), (6954, 57264), (7158, 55632), (8784, 45334), (9272, 42948), (9544, 41724), (10431, 38176), (10737, 37088), (13908, 28632), (14316, 27816), (17568, 22667), (18544, 21474), (19088, 20862)]