381251968

素因数分解:

$2^7\times {\mathrm{47}}^1\times {\mathrm{127}}^1\times {\mathrm{499}}^1$

素因数の和:687

約数の個数: 64

約数和(自身を含む): 783360000

約数和(自身を除く): 402108032

約数列:

[1, 2, 4, 8, 16, 32, 47, 64, 94, 127, 128, 188, 254, 376, 499, 508, 752, 998, 1016, 1504, 1996, 2032, 3008, 3992, 4064, 5969, 6016, 7984, 8128, 11938, 15968, 16256, 23453, 23876, 31936, 46906, 47752, 63373, 63872, 93812, 95504, 126746, 187624, 191008, 253492, 375248, 382016, 506984, 750496, 764032, 1013968, 1500992, 2027936, 2978531, 3001984, 4055872, 5957062, 8111744, 11914124, 23828248, 47656496, 95312992, 190625984, 381251968]

約数ペア:

[(1, 381251968), (2, 190625984), (4, 95312992), (8, 47656496), (16, 23828248), (32, 11914124), (47, 8111744), (64, 5957062), (94, 4055872), (127, 3001984), (128, 2978531), (188, 2027936), (254, 1500992), (376, 1013968), (499, 764032), (508, 750496), (752, 506984), (998, 382016), (1016, 375248), (1504, 253492), (1996, 191008), (2032, 187624), (3008, 126746), (3992, 95504), (4064, 93812), (5969, 63872), (6016, 63373), (7984, 47752), (8128, 46906), (11938, 31936), (15968, 23876), (16256, 23453)]