13458204025

素因数分解:

$5^2\times 7^2\times {\mathrm{103}}^1\times {\mathrm{106663}}^1$

素因数の和:106790

約数の個数: 36

約数和(自身を含む): 19601429952

約数和(自身を除く): 6143225927

約数列:

[1, 5, 7, 25, 35, 49, 103, 175, 245, 515, 721, 1225, 2575, 3605, 5047, 18025, 25235, 106663, 126175, 533315, 746641, 2666575, 3733205, 5226487, 10986289, 18666025, 26132435, 54931445, 76904023, 130662175, 274657225, 384520115, 538328161, 1922600575, 2691640805, 13458204025]

約数ペア:

[(1, 13458204025), (5, 2691640805), (7, 1922600575), (25, 538328161), (35, 384520115), (49, 274657225), (103, 130662175), (175, 76904023), (245, 54931445), (515, 26132435), (721, 18666025), (1225, 10986289), (2575, 5226487), (3605, 3733205), (5047, 2666575), (18025, 746641), (25235, 533315), (106663, 126175)]