81344128

素因数分解:

$2^7\times {\mathrm{239}}^1\times {\mathrm{2659}}^1$

素因数の和:2912

約数の個数: 32

約数和(自身を含む): 162792000

約数和(自身を除く): 81447872

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 239, 478, 956, 1912, 2659, 3824, 5318, 7648, 10636, 15296, 21272, 30592, 42544, 85088, 170176, 340352, 635501, 1271002, 2542004, 5084008, 10168016, 20336032, 40672064, 81344128]

約数ペア:

[(1, 81344128), (2, 40672064), (4, 20336032), (8, 10168016), (16, 5084008), (32, 2542004), (64, 1271002), (128, 635501), (239, 340352), (478, 170176), (956, 85088), (1912, 42544), (2659, 30592), (3824, 21272), (5318, 15296), (7648, 10636)]