256872448

素因数分解:

$2^{12}\times 7^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1$

素因数の和:96

約数の個数: 156

約数和(自身を含む): 643747072

約数和(自身を除く): 386874624

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, 289, 434, 448, 476, 496, 512, 527, 544, 578, 868, 896, 952, 992, 1024, 1054, 1088, 1156, 1736, 1792, 1904, 1984, 2023, 2048, 2108, 2176, 2312, 3472, 3584, 3689, 3808, 3968, 4046, 4096, 4216, 4352, 4624, 6944, 7168, 7378, 7616, 7936, 8092, 8432, 8704, 8959, 9248, 13888, 14336, 14756, 15232, 15872, 16184, 16864, 17408, 17918, 18496, 27776, 28672, 29512, 30464, 31744, 32368, 33728, 34816, 35836, 36992, 55552, 59024, 60928, 62713, 63488, 64736, 67456, 69632, 71672, 73984, 111104, 118048, 121856, 125426, 126976, 129472, 134912, 143344, 147968, 222208, 236096, 243712, 250852, 258944, 269824, 286688, 295936, 444416, 472192, 487424, 501704, 517888, 539648, 573376, 591872, 888832, 944384, 1003408, 1035776, 1079296, 1146752, 1183744, 1888768, 2006816, 2071552, 2158592, 2293504, 3777536, 4013632, 4143104, 4587008, 7555072, 8027264, 8286208, 9174016, 15110144, 16054528, 18348032, 32109056, 36696064, 64218112, 128436224, 256872448]

約数ペア:

[(1, 256872448), (2, 128436224), (4, 64218112), (7, 36696064), (8, 32109056), (14, 18348032), (16, 16054528), (17, 15110144), (28, 9174016), (31, 8286208), (32, 8027264), (34, 7555072), (56, 4587008), (62, 4143104), (64, 4013632), (68, 3777536), (112, 2293504), (119, 2158592), (124, 2071552), (128, 2006816), (136, 1888768), (217, 1183744), (224, 1146752), (238, 1079296), (248, 1035776), (256, 1003408), (272, 944384), (289, 888832), (434, 591872), (448, 573376), (476, 539648), (496, 517888), (512, 501704), (527, 487424), (544, 472192), (578, 444416), (868, 295936), (896, 286688), (952, 269824), (992, 258944), (1024, 250852), (1054, 243712), (1088, 236096), (1156, 222208), (1736, 147968), (1792, 143344), (1904, 134912), (1984, 129472), (2023, 126976), (2048, 125426), (2108, 121856), (2176, 118048), (2312, 111104), (3472, 73984), (3584, 71672), (3689, 69632), (3808, 67456), (3968, 64736), (4046, 63488), (4096, 62713), (4216, 60928), (4352, 59024), (4624, 55552), (6944, 36992), (7168, 35836), (7378, 34816), (7616, 33728), (7936, 32368), (8092, 31744), (8432, 30464), (8704, 29512), (8959, 28672), (9248, 27776), (13888, 18496), (14336, 17918), (14756, 17408), (15232, 16864), (15872, 16184)]