197885012

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{21997}}^1$

素因数の和:22187

約数の個数: 24

約数和(自身を含む): 375109896

約数和(自身を除く): 177224884

約数列:

[1, 2, 4, 13, 26, 52, 173, 346, 692, 2249, 4498, 8996, 21997, 43994, 87988, 285961, 571922, 1143844, 3805481, 7610962, 15221924, 49471253, 98942506, 197885012]

約数ペア:

[(1, 197885012), (2, 98942506), (4, 49471253), (13, 15221924), (26, 7610962), (52, 3805481), (173, 1143844), (346, 571922), (692, 285961), (2249, 87988), (4498, 43994), (8996, 21997)]