68840635

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{181}}^1$

素因数の和:319

約数の個数: 32

約数和(自身を含む): 89369280

約数和(自身を除く): 20528645

約数列:

[1, 5, 29, 43, 61, 145, 181, 215, 305, 905, 1247, 1769, 2623, 5249, 6235, 7783, 8845, 11041, 13115, 26245, 38915, 55205, 76067, 225707, 320189, 380335, 474763, 1128535, 1600945, 2373815, 13768127, 68840635]

約数ペア:

[(1, 68840635), (5, 13768127), (29, 2373815), (43, 1600945), (61, 1128535), (145, 474763), (181, 380335), (215, 320189), (305, 225707), (905, 76067), (1247, 55205), (1769, 38915), (2623, 26245), (5249, 13115), (6235, 11041), (7783, 8845)]