64939885

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1\times {\mathrm{1753}}^1$

素因数の和:2028

約数の個数: 16

約数和(自身を含む): 80824320

約数和(自身を除く): 15884435

約数列:

[1, 5, 31, 155, 239, 1195, 1753, 7409, 8765, 37045, 54343, 271715, 418967, 2094835, 12987977, 64939885]

約数ペア:

[(1, 64939885), (5, 12987977), (31, 2094835), (155, 418967), (239, 271715), (1195, 54343), (1753, 37045), (7409, 8765)]