291552170

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{320387}}^1$

素因数の和:320414

約数の個数: 32

約数和(自身を含む): 645902208

約数和(自身を除く): 354350038

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 320387, 640774, 1601935, 2242709, 3203870, 4165031, 4485418, 8330062, 11213545, 20825155, 22427090, 29155217, 41650310, 58310434, 145776085, 291552170]

約数ペア:

[(1, 291552170), (2, 145776085), (5, 58310434), (7, 41650310), (10, 29155217), (13, 22427090), (14, 20825155), (26, 11213545), (35, 8330062), (65, 4485418), (70, 4165031), (91, 3203870), (130, 2242709), (182, 1601935), (455, 640774), (910, 320387)]