72657745

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{193}}^1$

素因数の和:361

約数の個数: 32

約数和(自身を含む): 95876352

約数和(自身を除く): 23218607

約数列:

[1, 5, 17, 43, 85, 103, 193, 215, 515, 731, 965, 1751, 3281, 3655, 4429, 8299, 8755, 16405, 19879, 22145, 41495, 75293, 99395, 141083, 337943, 376465, 705415, 854797, 1689715, 4273985, 14531549, 72657745]

約数ペア:

[(1, 72657745), (5, 14531549), (17, 4273985), (43, 1689715), (85, 854797), (103, 705415), (193, 376465), (215, 337943), (515, 141083), (731, 99395), (965, 75293), (1751, 41495), (3281, 22145), (3655, 19879), (4429, 16405), (8299, 8755)]