1220256988

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{4001}}^1\times {\mathrm{4013}}^1$

素因数の和:8037

約数の個数: 24

約数和(自身を含む): 2248963920

約数和(自身を除く): 1028706932

約数列:

[1, 2, 4, 19, 38, 76, 4001, 4013, 8002, 8026, 16004, 16052, 76019, 76247, 152038, 152494, 304076, 304988, 16056013, 32112026, 64224052, 305064247, 610128494, 1220256988]

約数ペア:

[(1, 1220256988), (2, 610128494), (4, 305064247), (19, 64224052), (38, 32112026), (76, 16056013), (4001, 304988), (4013, 304076), (8002, 152494), (8026, 152038), (16004, 76247), (16052, 76019)]