289621345

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{1117}}^1\times {\mathrm{3989}}^1$

素因数の和:5124

約数の個数: 16

約数和(自身を含む): 374708880

約数和(自身を除く): 85087535

約数列:

[1, 5, 13, 65, 1117, 3989, 5585, 14521, 19945, 51857, 72605, 259285, 4455713, 22278565, 57924269, 289621345]

約数ペア:

[(1, 289621345), (5, 57924269), (13, 22278565), (65, 4455713), (1117, 259285), (3989, 72605), (5585, 51857), (14521, 19945)]