1221445394

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{271553}}^1$

素因数の和:271741

約数の個数: 16

約数和(自身を含む): 1984516632

約数和(自身を除く): 763071238

約数列:

[1, 2, 13, 26, 173, 346, 2249, 4498, 271553, 543106, 3530189, 7060378, 46978669, 93957338, 610722697, 1221445394]

約数ペア:

[(1, 1221445394), (2, 610722697), (13, 93957338), (26, 46978669), (173, 7060378), (346, 3530189), (2249, 543106), (4498, 271553)]