1291931258

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{178001}}^1$

素因数の和:178213

約数の個数: 16

約数和(自身を含む): 2050583040

約数和(自身を除く): 758651782

約数列:

[1, 2, 19, 38, 191, 382, 3629, 7258, 178001, 356002, 3382019, 6764038, 33998191, 67996382, 645965629, 1291931258]

約数ペア:

[(1, 1291931258), (2, 645965629), (19, 67996382), (38, 33998191), (191, 6764038), (382, 3382019), (3629, 356002), (7258, 178001)]