977771977

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1061}}^1$

素因数の和:1154

約数の個数: 48

約数和(自身を含む): 1306005120

約数和(自身を除く): 328233143

約数列:

[1, 7, 13, 19, 41, 91, 133, 169, 247, 287, 533, 779, 1061, 1183, 1729, 3211, 3731, 5453, 6929, 7427, 10127, 13793, 20159, 22477, 43501, 48503, 70889, 96551, 131651, 141113, 179309, 262067, 304507, 565513, 826519, 921557, 1255163, 1834469, 3406871, 3958591, 5785633, 7351669, 10744747, 23848097, 51461683, 75213229, 139681711, 977771977]

約数ペア:

[(1, 977771977), (7, 139681711), (13, 75213229), (19, 51461683), (41, 23848097), (91, 10744747), (133, 7351669), (169, 5785633), (247, 3958591), (287, 3406871), (533, 1834469), (779, 1255163), (1061, 921557), (1183, 826519), (1729, 565513), (3211, 304507), (3731, 262067), (5453, 179309), (6929, 141113), (7427, 131651), (10127, 96551), (13793, 70889), (20159, 48503), (22477, 43501)]