81337645

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{12799}}^1$

素因数の和:12876

約数の個数: 16

約数和(自身を含む): 103219200

約数和(自身を除く): 21881555

約数列:

[1, 5, 31, 41, 155, 205, 1271, 6355, 12799, 63995, 396769, 524759, 1983845, 2623795, 16267529, 81337645]

約数ペア:

[(1, 81337645), (5, 16267529), (31, 2623795), (41, 1983845), (155, 524759), (205, 396769), (1271, 63995), (6355, 12799)]