221418573604

素因数分解:

$2^2\times {\mathrm{173}}^1\times {\mathrm{4451}}^1\times {\mathrm{71887}}^1$

素因数の和:76515

約数の個数: 24

約数和(自身を含む): 389815267968

約数和(自身を除く): 168396694364

約数列:

[1, 2, 4, 173, 346, 692, 4451, 8902, 17804, 71887, 143774, 287548, 770023, 1540046, 3080092, 12436451, 24872902, 49745804, 319969037, 639938074, 1279876148, 55354643401, 110709286802, 221418573604]

約数ペア:

[(1, 221418573604), (2, 110709286802), (4, 55354643401), (173, 1279876148), (346, 639938074), (692, 319969037), (4451, 49745804), (8902, 24872902), (17804, 12436451), (71887, 3080092), (143774, 1540046), (287548, 770023)]