2156248

素因数分解:

$2^3\times {\mathrm{409}}^1\times {\mathrm{659}}^1$

素因数の和:1074

約数の個数: 16

約数和(自身を含む): 4059000

約数和(自身を除く): 1902752

約数列:

[1, 2, 4, 8, 409, 659, 818, 1318, 1636, 2636, 3272, 5272, 269531, 539062, 1078124, 2156248]

約数ペア:

[(1, 2156248), (2, 1078124), (4, 539062), (8, 269531), (409, 5272), (659, 3272), (818, 2636), (1318, 1636)]