16005245

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1$

素因数の和:245

約数の個数: 32

約数和(自身を含む): 21669120

約数和(自身を除く): 5663875

約数列:

[1, 5, 17, 29, 43, 85, 145, 151, 215, 493, 731, 755, 1247, 2465, 2567, 3655, 4379, 6235, 6493, 12835, 21199, 21895, 32465, 74443, 105995, 110381, 188297, 372215, 551905, 941485, 3201049, 16005245]

約数ペア:

[(1, 16005245), (5, 3201049), (17, 941485), (29, 551905), (43, 372215), (85, 188297), (145, 110381), (151, 105995), (215, 74443), (493, 32465), (731, 21895), (755, 21199), (1247, 12835), (2465, 6493), (2567, 6235), (3655, 4379)]