81128064

素因数分解:

$2^7\times 3^1\times {\mathrm{211271}}^1$

素因数の和:211288

約数の個数: 32

約数和(自身を含む): 215497440

約数和(自身を除く): 134369376

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 384, 211271, 422542, 633813, 845084, 1267626, 1690168, 2535252, 3380336, 5070504, 6760672, 10141008, 13521344, 20282016, 27042688, 40564032, 81128064]

約数ペア:

[(1, 81128064), (2, 40564032), (3, 27042688), (4, 20282016), (6, 13521344), (8, 10141008), (12, 6760672), (16, 5070504), (24, 3380336), (32, 2535252), (48, 1690168), (64, 1267626), (96, 845084), (128, 633813), (192, 422542), (384, 211271)]