31280508

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{1229}}^1$

素因数の和:1347

約数の個数: 72

約数和(自身を含む): 91334880

約数和(自身を除く): 60054372

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 101, 126, 202, 252, 303, 404, 606, 707, 909, 1212, 1229, 1414, 1818, 2121, 2458, 2828, 3636, 3687, 4242, 4916, 6363, 7374, 8484, 8603, 11061, 12726, 14748, 17206, 22122, 25452, 25809, 34412, 44244, 51618, 77427, 103236, 124129, 154854, 248258, 309708, 372387, 496516, 744774, 868903, 1117161, 1489548, 1737806, 2234322, 2606709, 3475612, 4468644, 5213418, 7820127, 10426836, 15640254, 31280508]

約数ペア:

[(1, 31280508), (2, 15640254), (3, 10426836), (4, 7820127), (6, 5213418), (7, 4468644), (9, 3475612), (12, 2606709), (14, 2234322), (18, 1737806), (21, 1489548), (28, 1117161), (36, 868903), (42, 744774), (63, 496516), (84, 372387), (101, 309708), (126, 248258), (202, 154854), (252, 124129), (303, 103236), (404, 77427), (606, 51618), (707, 44244), (909, 34412), (1212, 25809), (1229, 25452), (1414, 22122), (1818, 17206), (2121, 14748), (2458, 12726), (2828, 11061), (3636, 8603), (3687, 8484), (4242, 7374), (4916, 6363)]