217843478

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{443}}^1\times {\mathrm{3463}}^1$

素因数の和:3979

約数の個数: 16

約数和(自身を含む): 332211456

約数和(自身を除く): 114367978

約数列:

[1, 2, 71, 142, 443, 886, 3463, 6926, 31453, 62906, 245873, 491746, 1534109, 3068218, 108921739, 217843478]

約数ペア:

[(1, 217843478), (2, 108921739), (71, 3068218), (142, 1534109), (443, 491746), (886, 245873), (3463, 62906), (6926, 31453)]