13819225

素因数分解:

$5^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{389}}^1$

素因数の和:442

約数の個数: 36

約数和(自身を含む): 20673900

約数和(自身を除く): 6854675

約数列:

[1, 5, 7, 25, 29, 35, 49, 145, 175, 203, 245, 389, 725, 1015, 1225, 1421, 1945, 2723, 5075, 7105, 9725, 11281, 13615, 19061, 35525, 56405, 68075, 78967, 95305, 282025, 394835, 476525, 552769, 1974175, 2763845, 13819225]

約数ペア:

[(1, 13819225), (5, 2763845), (7, 1974175), (25, 552769), (29, 476525), (35, 394835), (49, 282025), (145, 95305), (175, 78967), (203, 68075), (245, 56405), (389, 35525), (725, 19061), (1015, 13615), (1225, 11281), (1421, 9725), (1945, 7105), (2723, 5075)]