168188888

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1$

素因数の和:241

約数の個数: 128

約数和(自身を含む): 406425600

約数和(自身を除く): 238236712

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 31, 34, 41, 56, 62, 68, 82, 119, 124, 136, 139, 164, 217, 238, 248, 278, 287, 328, 434, 476, 527, 556, 574, 697, 868, 952, 973, 1054, 1112, 1148, 1271, 1394, 1736, 1946, 2108, 2296, 2363, 2542, 2788, 3689, 3892, 4216, 4309, 4726, 4879, 5084, 5576, 5699, 7378, 7784, 8618, 8897, 9452, 9758, 10168, 11398, 14756, 16541, 17236, 17794, 18904, 19516, 21607, 22796, 29512, 30163, 33082, 34472, 35588, 39032, 39893, 43214, 45592, 60326, 66164, 71176, 73253, 79786, 86428, 96883, 120652, 132328, 146506, 151249, 159572, 172856, 176669, 193766, 241304, 293012, 302498, 319144, 353338, 387532, 512771, 586024, 604996, 678181, 706676, 775064, 1025542, 1209992, 1236683, 1356362, 1413352, 2051084, 2473366, 2712724, 3003373, 4102168, 4946732, 5425448, 6006746, 9893464, 12013492, 21023611, 24026984, 42047222, 84094444, 168188888]

約数ペア:

[(1, 168188888), (2, 84094444), (4, 42047222), (7, 24026984), (8, 21023611), (14, 12013492), (17, 9893464), (28, 6006746), (31, 5425448), (34, 4946732), (41, 4102168), (56, 3003373), (62, 2712724), (68, 2473366), (82, 2051084), (119, 1413352), (124, 1356362), (136, 1236683), (139, 1209992), (164, 1025542), (217, 775064), (238, 706676), (248, 678181), (278, 604996), (287, 586024), (328, 512771), (434, 387532), (476, 353338), (527, 319144), (556, 302498), (574, 293012), (697, 241304), (868, 193766), (952, 176669), (973, 172856), (1054, 159572), (1112, 151249), (1148, 146506), (1271, 132328), (1394, 120652), (1736, 96883), (1946, 86428), (2108, 79786), (2296, 73253), (2363, 71176), (2542, 66164), (2788, 60326), (3689, 45592), (3892, 43214), (4216, 39893), (4309, 39032), (4726, 35588), (4879, 34472), (5084, 33082), (5576, 30163), (5699, 29512), (7378, 22796), (7784, 21607), (8618, 19516), (8897, 18904), (9452, 17794), (9758, 17236), (10168, 16541), (11398, 14756)]