51780478

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{8269}}^1$

素因数の和:8403

約数の個数: 16

約数和(自身を含む): 80979840

約数和(自身を除く): 29199362

約数列:

[1, 2, 31, 62, 101, 202, 3131, 6262, 8269, 16538, 256339, 512678, 835169, 1670338, 25890239, 51780478]

約数ペア:

[(1, 51780478), (2, 25890239), (31, 1670338), (62, 835169), (101, 512678), (202, 256339), (3131, 16538), (6262, 8269)]