221499712

素因数分解:

$2^6\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{389}}^1$

素因数の和:480

約数の個数: 112

約数和(自身を含む): 532546560

約数和(自身を除く): 311046848

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 41, 56, 62, 64, 82, 112, 124, 164, 217, 224, 248, 287, 328, 389, 434, 448, 496, 574, 656, 778, 868, 992, 1148, 1271, 1312, 1556, 1736, 1984, 2296, 2542, 2624, 2723, 3112, 3472, 4592, 5084, 5446, 6224, 6944, 8897, 9184, 10168, 10892, 12059, 12448, 13888, 15949, 17794, 18368, 20336, 21784, 24118, 24896, 31898, 35588, 40672, 43568, 48236, 63796, 71176, 81344, 84413, 87136, 96472, 111643, 127592, 142352, 168826, 174272, 192944, 223286, 255184, 284704, 337652, 385888, 446572, 494419, 510368, 569408, 675304, 771776, 893144, 988838, 1020736, 1350608, 1786288, 1977676, 2701216, 3460933, 3572576, 3955352, 5402432, 6921866, 7145152, 7910704, 13843732, 15821408, 27687464, 31642816, 55374928, 110749856, 221499712]

約数ペア:

[(1, 221499712), (2, 110749856), (4, 55374928), (7, 31642816), (8, 27687464), (14, 15821408), (16, 13843732), (28, 7910704), (31, 7145152), (32, 6921866), (41, 5402432), (56, 3955352), (62, 3572576), (64, 3460933), (82, 2701216), (112, 1977676), (124, 1786288), (164, 1350608), (217, 1020736), (224, 988838), (248, 893144), (287, 771776), (328, 675304), (389, 569408), (434, 510368), (448, 494419), (496, 446572), (574, 385888), (656, 337652), (778, 284704), (868, 255184), (992, 223286), (1148, 192944), (1271, 174272), (1312, 168826), (1556, 142352), (1736, 127592), (1984, 111643), (2296, 96472), (2542, 87136), (2624, 84413), (2723, 81344), (3112, 71176), (3472, 63796), (4592, 48236), (5084, 43568), (5446, 40672), (6224, 35588), (6944, 31898), (8897, 24896), (9184, 24118), (10168, 21784), (10892, 20336), (12059, 18368), (12448, 17794), (13888, 15949)]