221973888

素因数分解:

$2^7\times 3^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{643}}^1$

素因数の和:720

約数の個数: 128

約数和(自身を含む): 630604800

約数和(自身を除く): 408630912

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 31, 32, 48, 58, 62, 64, 87, 93, 96, 116, 124, 128, 174, 186, 192, 232, 248, 348, 372, 384, 464, 496, 643, 696, 744, 899, 928, 992, 1286, 1392, 1488, 1798, 1856, 1929, 1984, 2572, 2697, 2784, 2976, 3596, 3712, 3858, 3968, 5144, 5394, 5568, 5952, 7192, 7716, 10288, 10788, 11136, 11904, 14384, 15432, 18647, 19933, 20576, 21576, 28768, 30864, 37294, 39866, 41152, 43152, 55941, 57536, 59799, 61728, 74588, 79732, 82304, 86304, 111882, 115072, 119598, 123456, 149176, 159464, 172608, 223764, 239196, 246912, 298352, 318928, 345216, 447528, 478392, 578057, 596704, 637856, 895056, 956784, 1156114, 1193408, 1275712, 1734171, 1790112, 1913568, 2312228, 2386816, 2551424, 3468342, 3580224, 3827136, 4624456, 6936684, 7160448, 7654272, 9248912, 13873368, 18497824, 27746736, 36995648, 55493472, 73991296, 110986944, 221973888]

約数ペア:

[(1, 221973888), (2, 110986944), (3, 73991296), (4, 55493472), (6, 36995648), (8, 27746736), (12, 18497824), (16, 13873368), (24, 9248912), (29, 7654272), (31, 7160448), (32, 6936684), (48, 4624456), (58, 3827136), (62, 3580224), (64, 3468342), (87, 2551424), (93, 2386816), (96, 2312228), (116, 1913568), (124, 1790112), (128, 1734171), (174, 1275712), (186, 1193408), (192, 1156114), (232, 956784), (248, 895056), (348, 637856), (372, 596704), (384, 578057), (464, 478392), (496, 447528), (643, 345216), (696, 318928), (744, 298352), (899, 246912), (928, 239196), (992, 223764), (1286, 172608), (1392, 159464), (1488, 149176), (1798, 123456), (1856, 119598), (1929, 115072), (1984, 111882), (2572, 86304), (2697, 82304), (2784, 79732), (2976, 74588), (3596, 61728), (3712, 59799), (3858, 57536), (3968, 55941), (5144, 43152), (5394, 41152), (5568, 39866), (5952, 37294), (7192, 30864), (7716, 28768), (10288, 21576), (10788, 20576), (11136, 19933), (11904, 18647), (14384, 15432)]