81346688

素因数分解:

$2^7\times {\mathrm{71}}^1\times {\mathrm{8951}}^1$

素因数の和:9036

約数の個数: 32

約数和(自身を含む): 164358720

約数和(自身を除く): 83012032

約数列:

[1, 2, 4, 8, 16, 32, 64, 71, 128, 142, 284, 568, 1136, 2272, 4544, 8951, 9088, 17902, 35804, 71608, 143216, 286432, 572864, 635521, 1145728, 1271042, 2542084, 5084168, 10168336, 20336672, 40673344, 81346688]

約数ペア:

[(1, 81346688), (2, 40673344), (4, 20336672), (8, 10168336), (16, 5084168), (32, 2542084), (64, 1271042), (71, 1145728), (128, 635521), (142, 572864), (284, 286432), (568, 143216), (1136, 71608), (2272, 35804), (4544, 17902), (8951, 9088)]