12696784

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{13009}}^1$

素因数の和:13078

約数の個数: 20

約数和(自身を含む): 25005220

約数和(自身を除く): 12308436

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 13009, 26018, 52036, 104072, 208144, 793549, 1587098, 3174196, 6348392, 12696784]

約数ペア:

[(1, 12696784), (2, 6348392), (4, 3174196), (8, 1587098), (16, 793549), (61, 208144), (122, 104072), (244, 52036), (488, 26018), (976, 13009)]