217138906

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{727}}^1$

素因数の和:946

約数の個数: 32

約数和(自身を含む): 350558208

約数和(自身を除く): 133419302

約数列:

[1, 2, 23, 43, 46, 86, 151, 302, 727, 989, 1454, 1978, 3473, 6493, 6946, 12986, 16721, 31261, 33442, 62522, 109777, 149339, 219554, 298678, 719003, 1438006, 2524871, 4720411, 5049742, 9440822, 108569453, 217138906]

約数ペア:

[(1, 217138906), (2, 108569453), (23, 9440822), (43, 5049742), (46, 4720411), (86, 2524871), (151, 1438006), (302, 719003), (727, 298678), (989, 219554), (1454, 149339), (1978, 109777), (3473, 62522), (6493, 33442), (6946, 31261), (12986, 16721)]