78393815

素因数分解:

$5^1\times {\mathrm{29}}^2\times {\mathrm{103}}^1\times {\mathrm{181}}^1$

素因数の和:347

約数の個数: 24

約数和(自身を含む): 98917728

約数和(自身を除く): 20523913

約数列:

[1, 5, 29, 103, 145, 181, 515, 841, 905, 2987, 4205, 5249, 14935, 18643, 26245, 86623, 93215, 152221, 433115, 540647, 761105, 2703235, 15678763, 78393815]

約数ペア:

[(1, 78393815), (5, 15678763), (29, 2703235), (103, 761105), (145, 540647), (181, 433115), (515, 152221), (841, 93215), (905, 86623), (2987, 26245), (4205, 18643), (5249, 14935)]