66279985

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1$

素因数の和:265

約数の個数: 32

約数和(自身を含む): 85333248

約数和(自身を除く): 19053263

約数列:

[1, 5, 41, 43, 73, 103, 205, 215, 365, 515, 1763, 2993, 3139, 4223, 4429, 7519, 8815, 14965, 15695, 21115, 22145, 37595, 128699, 181589, 308279, 323317, 643495, 907945, 1541395, 1616585, 13255997, 66279985]

約数ペア:

[(1, 66279985), (5, 13255997), (41, 1616585), (43, 1541395), (73, 907945), (103, 643495), (205, 323317), (215, 308279), (365, 181589), (515, 128699), (1763, 37595), (2993, 22145), (3139, 21115), (4223, 15695), (4429, 14965), (7519, 8815)]