280803438

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{219721}}^1$

素因数の和:219800

約数の個数: 24

約数和(自身を含む): 616979376

約数和(自身を除く): 336175938

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 219721, 439442, 659163, 1318326, 1977489, 3954978, 15600191, 31200382, 46800573, 93601146, 140401719, 280803438]

約数ペア:

[(1, 280803438), (2, 140401719), (3, 93601146), (6, 46800573), (9, 31200382), (18, 15600191), (71, 3954978), (142, 1977489), (213, 1318326), (426, 659163), (639, 439442), (1278, 219721)]