208446976

素因数分解:

$2^9\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{571}}^1$

素因数の和:643

約数の個数: 80

約数和(自身を含む): 449399808

約数和(自身を除く): 240952832

約数列:

[1, 2, 4, 8, 16, 23, 31, 32, 46, 62, 64, 92, 124, 128, 184, 248, 256, 368, 496, 512, 571, 713, 736, 992, 1142, 1426, 1472, 1984, 2284, 2852, 2944, 3968, 4568, 5704, 5888, 7936, 9136, 11408, 11776, 13133, 15872, 17701, 18272, 22816, 26266, 35402, 36544, 45632, 52532, 70804, 73088, 91264, 105064, 141608, 146176, 182528, 210128, 283216, 292352, 365056, 407123, 420256, 566432, 814246, 840512, 1132864, 1628492, 1681024, 2265728, 3256984, 3362048, 4531456, 6513968, 6724096, 9062912, 13027936, 26055872, 52111744, 104223488, 208446976]

約数ペア:

[(1, 208446976), (2, 104223488), (4, 52111744), (8, 26055872), (16, 13027936), (23, 9062912), (31, 6724096), (32, 6513968), (46, 4531456), (62, 3362048), (64, 3256984), (92, 2265728), (124, 1681024), (128, 1628492), (184, 1132864), (248, 840512), (256, 814246), (368, 566432), (496, 420256), (512, 407123), (571, 365056), (713, 292352), (736, 283216), (992, 210128), (1142, 182528), (1426, 146176), (1472, 141608), (1984, 105064), (2284, 91264), (2852, 73088), (2944, 70804), (3968, 52532), (4568, 45632), (5704, 36544), (5888, 35402), (7936, 26266), (9136, 22816), (11408, 18272), (11776, 17701), (13133, 15872)]