81478912

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{10267}}^1$

素因数の和:10314

約数の個数: 36

約数和(自身を含む): 167902336

約数和(自身を除く): 86423424

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 992, 1984, 3968, 7936, 10267, 20534, 41068, 82136, 164272, 318277, 328544, 636554, 657088, 1273108, 1314176, 2546216, 2628352, 5092432, 10184864, 20369728, 40739456, 81478912]

約数ペア:

[(1, 81478912), (2, 40739456), (4, 20369728), (8, 10184864), (16, 5092432), (31, 2628352), (32, 2546216), (62, 1314176), (64, 1273108), (124, 657088), (128, 636554), (248, 328544), (256, 318277), (496, 164272), (992, 82136), (1984, 41068), (3968, 20534), (7936, 10267)]