221278390

素因数分解:

$2^1\times 5^1\times {\mathrm{3011}}^1\times {\mathrm{7349}}^1$

素因数の和:10367

約数の個数: 16

約数和(自身を含む): 398487600

約数和(自身を除く): 177209210

約数列:

[1, 2, 5, 10, 3011, 6022, 7349, 14698, 15055, 30110, 36745, 73490, 22127839, 44255678, 110639195, 221278390]

約数ペア:

[(1, 221278390), (2, 110639195), (5, 44255678), (10, 22127839), (3011, 73490), (6022, 36745), (7349, 30110), (14698, 15055)]