15994979

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^2$

素因数の和:108

約数の個数: 48

約数和(自身を含む): 23412480

約数和(自身を除く): 7417501

約数列:

[1, 7, 11, 13, 19, 29, 77, 91, 133, 143, 203, 209, 247, 319, 377, 551, 841, 1001, 1463, 1729, 2233, 2639, 2717, 3857, 4147, 5887, 6061, 7163, 9251, 10933, 15979, 19019, 29029, 42427, 50141, 64757, 76531, 78793, 111853, 120263, 175769, 207727, 551551, 841841, 1230383, 1454089, 2284997, 15994979]

約数ペア:

[(1, 15994979), (7, 2284997), (11, 1454089), (13, 1230383), (19, 841841), (29, 551551), (77, 207727), (91, 175769), (133, 120263), (143, 111853), (203, 78793), (209, 76531), (247, 64757), (319, 50141), (377, 42427), (551, 29029), (841, 19019), (1001, 15979), (1463, 10933), (1729, 9251), (2233, 7163), (2639, 6061), (2717, 5887), (3857, 4147)]