161307272

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{613}}^1$

素因数の和:790

約数の個数: 64

約数和(自身を含む): 358379520

約数和(自身を除く): 197072248

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 74, 127, 148, 254, 259, 296, 508, 518, 613, 889, 1016, 1036, 1226, 1778, 2072, 2452, 3556, 4291, 4699, 4904, 7112, 8582, 9398, 17164, 18796, 22681, 32893, 34328, 37592, 45362, 65786, 77851, 90724, 131572, 155702, 158767, 181448, 263144, 311404, 317534, 544957, 622808, 635068, 1089914, 1270136, 2179828, 2880487, 4359656, 5760974, 11521948, 20163409, 23043896, 40326818, 80653636, 161307272]

約数ペア:

[(1, 161307272), (2, 80653636), (4, 40326818), (7, 23043896), (8, 20163409), (14, 11521948), (28, 5760974), (37, 4359656), (56, 2880487), (74, 2179828), (127, 1270136), (148, 1089914), (254, 635068), (259, 622808), (296, 544957), (508, 317534), (518, 311404), (613, 263144), (889, 181448), (1016, 158767), (1036, 155702), (1226, 131572), (1778, 90724), (2072, 77851), (2452, 65786), (3556, 45362), (4291, 37592), (4699, 34328), (4904, 32893), (7112, 22681), (8582, 18796), (9398, 17164)]