128981452

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{5227}}^1$

素因数の和:5461

約数の個数: 24

約数和(自身を含む): 234214400

約数和(自身を除く): 105232948

約数列:

[1, 2, 4, 31, 62, 124, 199, 398, 796, 5227, 6169, 10454, 12338, 20908, 24676, 162037, 324074, 648148, 1040173, 2080346, 4160692, 32245363, 64490726, 128981452]

約数ペア:

[(1, 128981452), (2, 64490726), (4, 32245363), (31, 4160692), (62, 2080346), (124, 1040173), (199, 648148), (398, 324074), (796, 162037), (5227, 24676), (6169, 20908), (10454, 12338)]