1278495616

素因数分解:

$2^7\times {\mathrm{271}}^1\times {\mathrm{36857}}^1$

素因数の和:37142

約数の個数: 32

約数和(自身を含む): 2556470880

約数和(自身を除く): 1277975264

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 271, 542, 1084, 2168, 4336, 8672, 17344, 34688, 36857, 73714, 147428, 294856, 589712, 1179424, 2358848, 4717696, 9988247, 19976494, 39952988, 79905976, 159811952, 319623904, 639247808, 1278495616]

約数ペア:

[(1, 1278495616), (2, 639247808), (4, 319623904), (8, 159811952), (16, 79905976), (32, 39952988), (64, 19976494), (128, 9988247), (271, 4717696), (542, 2358848), (1084, 1179424), (2168, 589712), (4336, 294856), (8672, 147428), (17344, 73714), (34688, 36857)]