397585664

素因数分解:

$2^8\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{421}}^1$

素因数の和:492

約数の個数: 144

約数和(自身を含む): 993678336

約数和(自身を除く): 596092672

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 31, 32, 34, 56, 62, 64, 68, 112, 119, 124, 128, 136, 217, 224, 238, 248, 256, 272, 421, 434, 448, 476, 496, 527, 544, 842, 868, 896, 952, 992, 1054, 1088, 1684, 1736, 1792, 1904, 1984, 2108, 2176, 2947, 3368, 3472, 3689, 3808, 3968, 4216, 4352, 5894, 6736, 6944, 7157, 7378, 7616, 7936, 8432, 11788, 13051, 13472, 13888, 14314, 14756, 15232, 16864, 23576, 26102, 26944, 27776, 28628, 29512, 30464, 33728, 47152, 50099, 52204, 53888, 55552, 57256, 59024, 67456, 91357, 94304, 100198, 104408, 107776, 114512, 118048, 134912, 182714, 188608, 200396, 208816, 221867, 229024, 236096, 365428, 377216, 400792, 417632, 443734, 458048, 472192, 730856, 754432, 801584, 835264, 887468, 916096, 944384, 1461712, 1553069, 1603168, 1670528, 1774936, 1832192, 2923424, 3106138, 3206336, 3341056, 3549872, 5846848, 6212276, 6412672, 7099744, 11693696, 12424552, 12825344, 14199488, 23387392, 24849104, 28398976, 49698208, 56797952, 99396416, 198792832, 397585664]

約数ペア:

[(1, 397585664), (2, 198792832), (4, 99396416), (7, 56797952), (8, 49698208), (14, 28398976), (16, 24849104), (17, 23387392), (28, 14199488), (31, 12825344), (32, 12424552), (34, 11693696), (56, 7099744), (62, 6412672), (64, 6212276), (68, 5846848), (112, 3549872), (119, 3341056), (124, 3206336), (128, 3106138), (136, 2923424), (217, 1832192), (224, 1774936), (238, 1670528), (248, 1603168), (256, 1553069), (272, 1461712), (421, 944384), (434, 916096), (448, 887468), (476, 835264), (496, 801584), (527, 754432), (544, 730856), (842, 472192), (868, 458048), (896, 443734), (952, 417632), (992, 400792), (1054, 377216), (1088, 365428), (1684, 236096), (1736, 229024), (1792, 221867), (1904, 208816), (1984, 200396), (2108, 188608), (2176, 182714), (2947, 134912), (3368, 118048), (3472, 114512), (3689, 107776), (3808, 104408), (3968, 100198), (4216, 94304), (4352, 91357), (5894, 67456), (6736, 59024), (6944, 57256), (7157, 55552), (7378, 53888), (7616, 52204), (7936, 50099), (8432, 47152), (11788, 33728), (13051, 30464), (13472, 29512), (13888, 28628), (14314, 27776), (14756, 26944), (15232, 26102), (16864, 23576)]