640028206

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{1033}}^1\times {\mathrm{18223}}^1$

素因数の和:19275

約数の個数: 16

約数和(自身を含む): 1017555264

約数和(自身を除く): 377527058

約数列:

[1, 2, 17, 34, 1033, 2066, 17561, 18223, 35122, 36446, 309791, 619582, 18824359, 37648718, 320014103, 640028206]

約数ペア:

[(1, 640028206), (2, 320014103), (17, 37648718), (34, 18824359), (1033, 619582), (2066, 309791), (17561, 36446), (18223, 35122)]