42400406

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{2657}}^1$

素因数の和:2839

約数の個数: 16

約数和(自身を含む): 65067840

約数和(自身を除く): 22667434

約数列:

[1, 2, 79, 101, 158, 202, 2657, 5314, 7979, 15958, 209903, 268357, 419806, 536714, 21200203, 42400406]

約数ペア:

[(1, 42400406), (2, 21200203), (79, 536714), (101, 419806), (158, 268357), (202, 209903), (2657, 15958), (5314, 7979)]