28364455

素因数分解:

$5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{4243}}^1$

素因数の和:4446

約数の個数: 16

約数和(自身を含む): 39112704

約数和(自身を除く): 10748249

約数列:

[1, 5, 7, 35, 191, 955, 1337, 4243, 6685, 21215, 29701, 148505, 810413, 4052065, 5672891, 28364455]

約数ペア:

[(1, 28364455), (5, 5672891), (7, 4052065), (35, 810413), (191, 148505), (955, 29701), (1337, 21215), (4243, 6685)]