247012415

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{1553}}^1\times {\mathrm{2447}}^1$

素因数の和:4018

約数の個数: 16

約数和(自身を含む): 319552128

約数和(自身を除く): 72539713

約数列:

[1, 5, 13, 65, 1553, 2447, 7765, 12235, 20189, 31811, 100945, 159055, 3800191, 19000955, 49402483, 247012415]

約数ペア:

[(1, 247012415), (5, 49402483), (13, 19000955), (65, 3800191), (1553, 159055), (2447, 100945), (7765, 31811), (12235, 20189)]