81813396

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{383}}^1\times {\mathrm{2543}}^1$

素因数の和:2940

約数の個数: 48

約数和(自身を含む): 218824704

約数和(自身を除く): 137011308

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 383, 766, 1149, 1532, 2298, 2543, 2681, 4596, 5086, 5362, 7629, 8043, 10172, 10724, 15258, 16086, 17801, 30516, 32172, 35602, 53403, 71204, 106806, 213612, 973969, 1947938, 2921907, 3895876, 5843814, 6817783, 11687628, 13635566, 20453349, 27271132, 40906698, 81813396]

約数ペア:

[(1, 81813396), (2, 40906698), (3, 27271132), (4, 20453349), (6, 13635566), (7, 11687628), (12, 6817783), (14, 5843814), (21, 3895876), (28, 2921907), (42, 1947938), (84, 973969), (383, 213612), (766, 106806), (1149, 71204), (1532, 53403), (2298, 35602), (2543, 32172), (2681, 30516), (4596, 17801), (5086, 16086), (5362, 15258), (7629, 10724), (8043, 10172)]