172173265

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{157}}^2$

素因数の和:457

約数の個数: 24

約数和(自身を含む): 228621312

約数和(自身を除く): 56448047

約数列:

[1, 5, 11, 55, 127, 157, 635, 785, 1397, 1727, 6985, 8635, 19939, 24649, 99695, 123245, 219329, 271139, 1096645, 1355695, 3130423, 15652115, 34434653, 172173265]

約数ペア:

[(1, 172173265), (5, 34434653), (11, 15652115), (55, 3130423), (127, 1355695), (157, 1096645), (635, 271139), (785, 219329), (1397, 123245), (1727, 99695), (6985, 24649), (8635, 19939)]