7848425

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:114

約数の個数: 48

約数和(自身を含む): 11665920

約数和(自身を除く): 3817495

約数列:

[1, 5, 13, 19, 25, 31, 41, 65, 95, 155, 205, 247, 325, 403, 475, 533, 589, 775, 779, 1025, 1235, 1271, 2015, 2665, 2945, 3895, 6175, 6355, 7657, 10075, 10127, 13325, 14725, 16523, 19475, 24149, 31775, 38285, 50635, 82615, 120745, 191425, 253175, 313937, 413075, 603725, 1569685, 7848425]

約数ペア:

[(1, 7848425), (5, 1569685), (13, 603725), (19, 413075), (25, 313937), (31, 253175), (41, 191425), (65, 120745), (95, 82615), (155, 50635), (205, 38285), (247, 31775), (325, 24149), (403, 19475), (475, 16523), (533, 14725), (589, 13325), (775, 10127), (779, 10075), (1025, 7657), (1235, 6355), (1271, 6175), (2015, 3895), (2665, 2945)]