217354872

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{479}}^1$

素因数の和:605

約数の個数: 128

約数和(自身を含む): 647884800

約数和(自身を除く): 430529928

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 37, 42, 56, 73, 74, 84, 111, 146, 148, 168, 219, 222, 259, 292, 296, 438, 444, 479, 511, 518, 584, 777, 876, 888, 958, 1022, 1036, 1437, 1533, 1554, 1752, 1916, 2044, 2072, 2701, 2874, 3066, 3108, 3353, 3832, 4088, 5402, 5748, 6132, 6216, 6706, 8103, 10059, 10804, 11496, 12264, 13412, 16206, 17723, 18907, 20118, 21608, 26824, 32412, 34967, 35446, 37814, 40236, 53169, 56721, 64824, 69934, 70892, 75628, 80472, 104901, 106338, 113442, 124061, 139868, 141784, 151256, 209802, 212676, 226884, 244769, 248122, 279736, 372183, 419604, 425352, 453768, 489538, 496244, 734307, 744366, 839208, 979076, 992488, 1293779, 1468614, 1488732, 1958152, 2587558, 2937228, 2977464, 3881337, 5175116, 5874456, 7762674, 9056453, 10350232, 15525348, 18112906, 27169359, 31050696, 36225812, 54338718, 72451624, 108677436, 217354872]

約数ペア:

[(1, 217354872), (2, 108677436), (3, 72451624), (4, 54338718), (6, 36225812), (7, 31050696), (8, 27169359), (12, 18112906), (14, 15525348), (21, 10350232), (24, 9056453), (28, 7762674), (37, 5874456), (42, 5175116), (56, 3881337), (73, 2977464), (74, 2937228), (84, 2587558), (111, 1958152), (146, 1488732), (148, 1468614), (168, 1293779), (219, 992488), (222, 979076), (259, 839208), (292, 744366), (296, 734307), (438, 496244), (444, 489538), (479, 453768), (511, 425352), (518, 419604), (584, 372183), (777, 279736), (876, 248122), (888, 244769), (958, 226884), (1022, 212676), (1036, 209802), (1437, 151256), (1533, 141784), (1554, 139868), (1752, 124061), (1916, 113442), (2044, 106338), (2072, 104901), (2701, 80472), (2874, 75628), (3066, 70892), (3108, 69934), (3353, 64824), (3832, 56721), (4088, 53169), (5402, 40236), (5748, 37814), (6132, 35446), (6216, 34967), (6706, 32412), (8103, 26824), (10059, 21608), (10804, 20118), (11496, 18907), (12264, 17723), (13412, 16206)]