81555328

素因数分解:

$2^7\times {\mathrm{89}}^1\times {\mathrm{7159}}^1$

素因数の和:7262

約数の個数: 32

約数和(自身を含む): 164322000

約数和(自身を除く): 82766672

約数列:

[1, 2, 4, 8, 16, 32, 64, 89, 128, 178, 356, 712, 1424, 2848, 5696, 7159, 11392, 14318, 28636, 57272, 114544, 229088, 458176, 637151, 916352, 1274302, 2548604, 5097208, 10194416, 20388832, 40777664, 81555328]

約数ペア:

[(1, 81555328), (2, 40777664), (4, 20388832), (8, 10194416), (16, 5097208), (32, 2548604), (64, 1274302), (89, 916352), (128, 637151), (178, 458176), (356, 229088), (712, 114544), (1424, 57272), (2848, 28636), (5696, 14318), (7159, 11392)]