210002390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1615403}}^1$

素因数の和:1615423

約数の個数: 16

約数和(自身を含む): 407081808

約数和(自身を除く): 197079418

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1615403, 3230806, 8077015, 16154030, 21000239, 42000478, 105001195, 210002390]

約数ペア:

[(1, 210002390), (2, 105001195), (5, 42000478), (10, 21000239), (13, 16154030), (26, 8077015), (65, 3230806), (130, 1615403)]