257081966

素因数分解:

$2^1\times {\mathrm{101}}^1\times {\mathrm{421}}^1\times {\mathrm{3023}}^1$

素因数の和:3547

約数の個数: 16

約数和(自身を含む): 390495168

約数和(自身を除く): 133413202

約数列:

[1, 2, 101, 202, 421, 842, 3023, 6046, 42521, 85042, 305323, 610646, 1272683, 2545366, 128540983, 257081966]

約数ペア:

[(1, 257081966), (2, 128540983), (101, 2545366), (202, 1272683), (421, 610646), (842, 305323), (3023, 85042), (6046, 42521)]