247863145

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{193}}^1\times {\mathrm{521}}^1$

素因数の和:765

約数の個数: 32

約数和(自身を含む): 328108320

約数和(自身を除く): 80245175

約数列:

[1, 5, 17, 29, 85, 145, 193, 493, 521, 965, 2465, 2605, 3281, 5597, 8857, 15109, 16405, 27985, 44285, 75545, 95149, 100553, 256853, 475745, 502765, 1284265, 1709401, 2916037, 8547005, 14580185, 49572629, 247863145]

約数ペア:

[(1, 247863145), (5, 49572629), (17, 14580185), (29, 8547005), (85, 2916037), (145, 1709401), (193, 1284265), (493, 502765), (521, 475745), (965, 256853), (2465, 100553), (2605, 95149), (3281, 75545), (5597, 44285), (8857, 27985), (15109, 16405)]