215973910

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{5981}}^1$

素因数の和:6168

約数の個数: 32

約数和(自身を含む): 408307392

約数和(自身を除く): 192333482

約数列:

[1, 2, 5, 10, 23, 46, 115, 157, 230, 314, 785, 1570, 3611, 5981, 7222, 11962, 18055, 29905, 36110, 59810, 137563, 275126, 687815, 939017, 1375630, 1878034, 4695085, 9390170, 21597391, 43194782, 107986955, 215973910]

約数ペア:

[(1, 215973910), (2, 107986955), (5, 43194782), (10, 21597391), (23, 9390170), (46, 4695085), (115, 1878034), (157, 1375630), (230, 939017), (314, 687815), (785, 275126), (1570, 137563), (3611, 59810), (5981, 36110), (7222, 29905), (11962, 18055)]