16438370

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4079}}^1$

素因数の和:4130

約数の個数: 32

約数和(自身を含む): 32901120

約数和(自身を除く): 16462750

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 4079, 8158, 20395, 40790, 53027, 106054, 126449, 252898, 265135, 530270, 632245, 1264490, 1643837, 3287674, 8219185, 16438370]

約数ペア:

[(1, 16438370), (2, 8219185), (5, 3287674), (10, 1643837), (13, 1264490), (26, 632245), (31, 530270), (62, 265135), (65, 252898), (130, 126449), (155, 106054), (310, 53027), (403, 40790), (806, 20395), (2015, 8158), (4030, 4079)]