661581536

素因数分解:

$2^5\times 7^2\times {\mathrm{11}}^3\times {\mathrm{317}}^1$

素因数の和:374

約数の個数: 144

約数和(自身を含む): 1671797232

約数和(自身を除く): 1010215696

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 49, 56, 77, 88, 98, 112, 121, 154, 176, 196, 224, 242, 308, 317, 352, 392, 484, 539, 616, 634, 784, 847, 968, 1078, 1232, 1268, 1331, 1568, 1694, 1936, 2156, 2219, 2464, 2536, 2662, 3388, 3487, 3872, 4312, 4438, 5072, 5324, 5929, 6776, 6974, 8624, 8876, 9317, 10144, 10648, 11858, 13552, 13948, 15533, 17248, 17752, 18634, 21296, 23716, 24409, 27104, 27896, 31066, 35504, 37268, 38357, 42592, 47432, 48818, 55792, 62132, 65219, 71008, 74536, 76714, 94864, 97636, 111584, 124264, 130438, 149072, 153428, 170863, 189728, 195272, 248528, 260876, 268499, 298144, 306856, 341726, 390544, 421927, 497056, 521752, 536998, 613712, 683452, 781088, 843854, 1043504, 1073996, 1227424, 1366904, 1687708, 1879493, 2087008, 2147992, 2733808, 2953489, 3375416, 3758986, 4295984, 5467616, 5906978, 6750832, 7517972, 8591968, 11813956, 13501664, 15035944, 20674423, 23627912, 30071888, 41348846, 47255824, 60143776, 82697692, 94511648, 165395384, 330790768, 661581536]

約数ペア:

[(1, 661581536), (2, 330790768), (4, 165395384), (7, 94511648), (8, 82697692), (11, 60143776), (14, 47255824), (16, 41348846), (22, 30071888), (28, 23627912), (32, 20674423), (44, 15035944), (49, 13501664), (56, 11813956), (77, 8591968), (88, 7517972), (98, 6750832), (112, 5906978), (121, 5467616), (154, 4295984), (176, 3758986), (196, 3375416), (224, 2953489), (242, 2733808), (308, 2147992), (317, 2087008), (352, 1879493), (392, 1687708), (484, 1366904), (539, 1227424), (616, 1073996), (634, 1043504), (784, 843854), (847, 781088), (968, 683452), (1078, 613712), (1232, 536998), (1268, 521752), (1331, 497056), (1568, 421927), (1694, 390544), (1936, 341726), (2156, 306856), (2219, 298144), (2464, 268499), (2536, 260876), (2662, 248528), (3388, 195272), (3487, 189728), (3872, 170863), (4312, 153428), (4438, 149072), (5072, 130438), (5324, 124264), (5929, 111584), (6776, 97636), (6974, 94864), (8624, 76714), (8876, 74536), (9317, 71008), (10144, 65219), (10648, 62132), (11858, 55792), (13552, 48818), (13948, 47432), (15533, 42592), (17248, 38357), (17752, 37268), (18634, 35504), (21296, 31066), (23716, 27896), (24409, 27104)]