639097488

素因数分解:

$2^4\times 3^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{2347}}^1$

素因数の和:2453

約数の個数: 120

約数和(自身を含む): 1877348096

約数和(自身を除く): 1238250608

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 36, 48, 61, 62, 72, 93, 122, 124, 144, 183, 186, 244, 248, 279, 366, 372, 488, 496, 549, 558, 732, 744, 976, 1098, 1116, 1464, 1488, 1891, 2196, 2232, 2347, 2928, 3782, 4392, 4464, 4694, 5673, 7041, 7564, 8784, 9388, 11346, 14082, 15128, 17019, 18776, 21123, 22692, 28164, 30256, 34038, 37552, 42246, 45384, 56328, 68076, 72757, 84492, 90768, 112656, 136152, 143167, 145514, 168984, 218271, 272304, 286334, 291028, 337968, 429501, 436542, 572668, 582056, 654813, 859002, 873084, 1145336, 1164112, 1288503, 1309626, 1718004, 1746168, 2290672, 2577006, 2619252, 3436008, 3492336, 4438177, 5154012, 5238504, 6872016, 8876354, 10308024, 10477008, 13314531, 17752708, 20616048, 26629062, 35505416, 39943593, 53258124, 71010832, 79887186, 106516248, 159774372, 213032496, 319548744, 639097488]

約数ペア:

[(1, 639097488), (2, 319548744), (3, 213032496), (4, 159774372), (6, 106516248), (8, 79887186), (9, 71010832), (12, 53258124), (16, 39943593), (18, 35505416), (24, 26629062), (31, 20616048), (36, 17752708), (48, 13314531), (61, 10477008), (62, 10308024), (72, 8876354), (93, 6872016), (122, 5238504), (124, 5154012), (144, 4438177), (183, 3492336), (186, 3436008), (244, 2619252), (248, 2577006), (279, 2290672), (366, 1746168), (372, 1718004), (488, 1309626), (496, 1288503), (549, 1164112), (558, 1145336), (732, 873084), (744, 859002), (976, 654813), (1098, 582056), (1116, 572668), (1464, 436542), (1488, 429501), (1891, 337968), (2196, 291028), (2232, 286334), (2347, 272304), (2928, 218271), (3782, 168984), (4392, 145514), (4464, 143167), (4694, 136152), (5673, 112656), (7041, 90768), (7564, 84492), (8784, 72757), (9388, 68076), (11346, 56328), (14082, 45384), (15128, 42246), (17019, 37552), (18776, 34038), (21123, 30256), (22692, 28164)]