221663710

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{277}}^1\times {\mathrm{1861}}^1$

素因数の和:2188

約数の個数: 32

約数和(自身を含む): 409967712

約数和(自身を除く): 188304002

約数列:

[1, 2, 5, 10, 43, 86, 215, 277, 430, 554, 1385, 1861, 2770, 3722, 9305, 11911, 18610, 23822, 59555, 80023, 119110, 160046, 400115, 515497, 800230, 1030994, 2577485, 5154970, 22166371, 44332742, 110831855, 221663710]

約数ペア:

[(1, 221663710), (2, 110831855), (5, 44332742), (10, 22166371), (43, 5154970), (86, 2577485), (215, 1030994), (277, 800230), (430, 515497), (554, 400115), (1385, 160046), (1861, 119110), (2770, 80023), (3722, 59555), (9305, 23822), (11911, 18610)]