12561104

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{8821}}^1$

素因数の和:8918

約数の個数: 20

約数和(自身を含む): 24613380

約数和(自身を除く): 12052276

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 8821, 17642, 35284, 70568, 141136, 785069, 1570138, 3140276, 6280552, 12561104]

約数ペア:

[(1, 12561104), (2, 6280552), (4, 3140276), (8, 1570138), (16, 785069), (89, 141136), (178, 70568), (356, 35284), (712, 17642), (1424, 8821)]