13815985

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{191}}^1$

素因数の和:273

約数の個数: 32

約数和(自身を含む): 18911232

約数和(自身を除く): 5095247

約数列:

[1, 5, 17, 23, 37, 85, 115, 185, 191, 391, 629, 851, 955, 1955, 3145, 3247, 4255, 4393, 7067, 14467, 16235, 21965, 35335, 72335, 74681, 120139, 162541, 373405, 600695, 812705, 2763197, 13815985]

約数ペア:

[(1, 13815985), (5, 2763197), (17, 812705), (23, 600695), (37, 373405), (85, 162541), (115, 120139), (185, 74681), (191, 72335), (391, 35335), (629, 21965), (851, 16235), (955, 14467), (1955, 7067), (3145, 4393), (3247, 4255)]