87720554

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{197}}^1\times {\mathrm{3323}}^1$

素因数の和:3589

約数の個数: 16

約数和(自身を含む): 134263008

約数和(自身を除く): 46542454

約数列:

[1, 2, 67, 134, 197, 394, 3323, 6646, 13199, 26398, 222641, 445282, 654631, 1309262, 43860277, 87720554]

約数ペア:

[(1, 87720554), (2, 43860277), (67, 1309262), (134, 654631), (197, 445282), (394, 222641), (3323, 26398), (6646, 13199)]