251159324

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{27919}}^1$

素因数の和:28109

約数の個数: 24

約数和(自身を含む): 476091840

約数和(自身を除く): 224932516

約数列:

[1, 2, 4, 13, 26, 52, 173, 346, 692, 2249, 4498, 8996, 27919, 55838, 111676, 362947, 725894, 1451788, 4829987, 9659974, 19319948, 62789831, 125579662, 251159324]

約数ペア:

[(1, 251159324), (2, 125579662), (4, 62789831), (13, 19319948), (26, 9659974), (52, 4829987), (173, 1451788), (346, 725894), (692, 362947), (2249, 111676), (4498, 55838), (8996, 27919)]