2197559

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:111

約数の個数: 32

約数和(自身を含む): 3010560

約数和(自身を除く): 813001

約数列:

[1, 7, 13, 19, 31, 41, 91, 133, 217, 247, 287, 403, 533, 589, 779, 1271, 1729, 2821, 3731, 4123, 5453, 7657, 8897, 10127, 16523, 24149, 53599, 70889, 115661, 169043, 313937, 2197559]

約数ペア:

[(1, 2197559), (7, 313937), (13, 169043), (19, 115661), (31, 70889), (41, 53599), (91, 24149), (133, 16523), (217, 10127), (247, 8897), (287, 7657), (403, 5453), (533, 4123), (589, 3731), (779, 2821), (1271, 1729)]