253290425

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{12401}}^1$

素因数の和:12473

約数の個数: 24

約数和(自身を含む): 338326560

約数和(自身を除く): 85036135

約数列:

[1, 5, 19, 25, 43, 95, 215, 475, 817, 1075, 4085, 12401, 20425, 62005, 235619, 310025, 533243, 1178095, 2666215, 5890475, 10131617, 13331075, 50658085, 253290425]

約数ペア:

[(1, 253290425), (5, 50658085), (19, 13331075), (25, 10131617), (43, 5890475), (95, 2666215), (215, 1178095), (475, 533243), (817, 310025), (1075, 235619), (4085, 62005), (12401, 20425)]