2561158

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{409}}^1$

素因数の和:543

約数の個数: 16

約数和(自身を含む): 4014720

約数和(自身を除く): 1453562

約数列:

[1, 2, 31, 62, 101, 202, 409, 818, 3131, 6262, 12679, 25358, 41309, 82618, 1280579, 2561158]

約数ペア:

[(1, 2561158), (2, 1280579), (31, 82618), (62, 41309), (101, 25358), (202, 12679), (409, 6262), (818, 3131)]