81029584

素因数分解:

$2^4\times {\mathrm{157}}^1\times {\mathrm{32257}}^1$

素因数の和:32422

約数の個数: 20

約数和(自身を含む): 157999684

約数和(自身を除く): 76970100

約数列:

[1, 2, 4, 8, 16, 157, 314, 628, 1256, 2512, 32257, 64514, 129028, 258056, 516112, 5064349, 10128698, 20257396, 40514792, 81029584]

約数ペア:

[(1, 81029584), (2, 40514792), (4, 20257396), (8, 10128698), (16, 5064349), (157, 516112), (314, 258056), (628, 129028), (1256, 64514), (2512, 32257)]