81968288

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{1693}}^1$

素因数の和:1809

約数の個数: 48

約数和(自身を含む): 172889640

約数和(自身を除く): 90921352

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 89, 136, 178, 272, 356, 544, 712, 1424, 1513, 1693, 2848, 3026, 3386, 6052, 6772, 12104, 13544, 24208, 27088, 28781, 48416, 54176, 57562, 115124, 150677, 230248, 301354, 460496, 602708, 920992, 1205416, 2410832, 2561509, 4821664, 5123018, 10246036, 20492072, 40984144, 81968288]

約数ペア:

[(1, 81968288), (2, 40984144), (4, 20492072), (8, 10246036), (16, 5123018), (17, 4821664), (32, 2561509), (34, 2410832), (68, 1205416), (89, 920992), (136, 602708), (178, 460496), (272, 301354), (356, 230248), (544, 150677), (712, 115124), (1424, 57562), (1513, 54176), (1693, 48416), (2848, 28781), (3026, 27088), (3386, 24208), (6052, 13544), (6772, 12104)]