206189990

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{6857}}^1$

素因数の和:6992

約数の個数: 32

約数和(自身を含む): 387120384

約数和(自身を除く): 180930394

約数列:

[1, 2, 5, 10, 31, 62, 97, 155, 194, 310, 485, 970, 3007, 6014, 6857, 13714, 15035, 30070, 34285, 68570, 212567, 425134, 665129, 1062835, 1330258, 2125670, 3325645, 6651290, 20618999, 41237998, 103094995, 206189990]

約数ペア:

[(1, 206189990), (2, 103094995), (5, 41237998), (10, 20618999), (31, 6651290), (62, 3325645), (97, 2125670), (155, 1330258), (194, 1062835), (310, 665129), (485, 425134), (970, 212567), (3007, 68570), (6014, 34285), (6857, 30070), (13714, 15035)]