1388394410

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{562103}}^1$

素因数の和:562142

約数の個数: 32

約数和(自身を含む): 2833004160

約数和(自身を除く): 1444609750

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 562103, 1124206, 2810515, 5621030, 7307339, 10679957, 14614678, 21359914, 36536695, 53399785, 73073390, 106799570, 138839441, 277678882, 694197205, 1388394410]

約数ペア:

[(1, 1388394410), (2, 694197205), (5, 277678882), (10, 138839441), (13, 106799570), (19, 73073390), (26, 53399785), (38, 36536695), (65, 21359914), (95, 14614678), (130, 10679957), (190, 7307339), (247, 5621030), (494, 2810515), (1235, 1124206), (2470, 562103)]