99998672

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1$

素因数の和:252

約数の個数: 80

約数和(自身を含む): 213736320

約数和(自身を除く): 113737648

約数列:

[1, 2, 4, 8, 16, 19, 38, 41, 71, 76, 82, 113, 142, 152, 164, 226, 284, 304, 328, 452, 568, 656, 779, 904, 1136, 1349, 1558, 1808, 2147, 2698, 2911, 3116, 4294, 4633, 5396, 5822, 6232, 8023, 8588, 9266, 10792, 11644, 12464, 16046, 17176, 18532, 21584, 23288, 32092, 34352, 37064, 46576, 55309, 64184, 74128, 88027, 110618, 128368, 152437, 176054, 221236, 304874, 328943, 352108, 442472, 609748, 657886, 704216, 884944, 1219496, 1315772, 1408432, 2438992, 2631544, 5263088, 6249917, 12499834, 24999668, 49999336, 99998672]

約数ペア:

[(1, 99998672), (2, 49999336), (4, 24999668), (8, 12499834), (16, 6249917), (19, 5263088), (38, 2631544), (41, 2438992), (71, 1408432), (76, 1315772), (82, 1219496), (113, 884944), (142, 704216), (152, 657886), (164, 609748), (226, 442472), (284, 352108), (304, 328943), (328, 304874), (452, 221236), (568, 176054), (656, 152437), (779, 128368), (904, 110618), (1136, 88027), (1349, 74128), (1558, 64184), (1808, 55309), (2147, 46576), (2698, 37064), (2911, 34352), (3116, 32092), (4294, 23288), (4633, 21584), (5396, 18532), (5822, 17176), (6232, 16046), (8023, 12464), (8588, 11644), (9266, 10792)]