212660992

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{211}}^1$

素因数の和:385

約数の個数: 72

約数和(自身を含む): 443727872

約数和(自身を除く): 231066880

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 127, 128, 211, 248, 254, 256, 422, 496, 508, 844, 992, 1016, 1688, 1984, 2032, 3376, 3937, 3968, 4064, 6541, 6752, 7874, 7936, 8128, 13082, 13504, 15748, 16256, 26164, 26797, 27008, 31496, 32512, 52328, 53594, 54016, 62992, 104656, 107188, 125984, 209312, 214376, 251968, 418624, 428752, 503936, 830707, 837248, 857504, 1007872, 1661414, 1674496, 1715008, 3322828, 3430016, 6645656, 6860032, 13291312, 26582624, 53165248, 106330496, 212660992]

約数ペア:

[(1, 212660992), (2, 106330496), (4, 53165248), (8, 26582624), (16, 13291312), (31, 6860032), (32, 6645656), (62, 3430016), (64, 3322828), (124, 1715008), (127, 1674496), (128, 1661414), (211, 1007872), (248, 857504), (254, 837248), (256, 830707), (422, 503936), (496, 428752), (508, 418624), (844, 251968), (992, 214376), (1016, 209312), (1688, 125984), (1984, 107188), (2032, 104656), (3376, 62992), (3937, 54016), (3968, 53594), (4064, 52328), (6541, 32512), (6752, 31496), (7874, 27008), (7936, 26797), (8128, 26164), (13082, 16256), (13504, 15748)]