156908695486

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{997}}^1\times {\mathrm{217979}}^1$

素因数の和:219016

約数の個数: 24

約数和(自身を含む): 248652837720

約数和(自身を除く): 91744142234

約数列:

[1, 2, 19, 38, 361, 722, 997, 1994, 18943, 37886, 217979, 359917, 435958, 719834, 4141601, 8283202, 78690419, 157380838, 217325063, 434650126, 4129176197, 8258352394, 78454347743, 156908695486]

約数ペア:

[(1, 156908695486), (2, 78454347743), (19, 8258352394), (38, 4129176197), (361, 434650126), (722, 217325063), (997, 157380838), (1994, 78690419), (18943, 8283202), (37886, 4141601), (217979, 719834), (359917, 435958)]