1999291268

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{230227}}^1$

素因数の和:230411

約数の個数: 24

約数和(自身を含む): 3790473792

約数和(自身を除く): 1791182524

約数列:

[1, 2, 4, 13, 26, 52, 167, 334, 668, 2171, 4342, 8684, 230227, 460454, 920908, 2992951, 5985902, 11971804, 38447909, 76895818, 153791636, 499822817, 999645634, 1999291268]

約数ペア:

[(1, 1999291268), (2, 999645634), (4, 499822817), (13, 153791636), (26, 76895818), (52, 38447909), (167, 11971804), (334, 5985902), (668, 2992951), (2171, 920908), (4342, 460454), (8684, 230227)]