1816156790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{131701}}^1$

素因数の和:131912

約数の個数: 32

約数和(自身を含む): 3755087424

約数和(自身を除く): 1938930634

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 197, 394, 985, 1379, 1970, 2758, 6895, 13790, 131701, 263402, 658505, 921907, 1317010, 1843814, 4609535, 9219070, 25945097, 51890194, 129725485, 181615679, 259450970, 363231358, 908078395, 1816156790]

約数ペア:

[(1, 1816156790), (2, 908078395), (5, 363231358), (7, 259450970), (10, 181615679), (14, 129725485), (35, 51890194), (70, 25945097), (197, 9219070), (394, 4609535), (985, 1843814), (1379, 1317010), (1970, 921907), (2758, 658505), (6895, 263402), (13790, 131701)]