989832996

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{619}}^1\times {\mathrm{1033}}^1$

素因数の和:1705

約数の個数: 72

約数和(自身を含む): 2566884320

約数和(自身を除く): 1577051324

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 258, 387, 516, 619, 774, 1033, 1238, 1548, 1857, 2066, 2476, 3099, 3714, 4132, 5571, 6198, 7428, 9297, 11142, 12396, 18594, 22284, 26617, 37188, 44419, 53234, 79851, 88838, 106468, 133257, 159702, 177676, 239553, 266514, 319404, 399771, 479106, 533028, 639427, 799542, 958212, 1278854, 1599084, 1918281, 2557708, 3836562, 5754843, 7673124, 11509686, 23019372, 27495361, 54990722, 82486083, 109981444, 164972166, 247458249, 329944332, 494916498, 989832996]

約数ペア:

[(1, 989832996), (2, 494916498), (3, 329944332), (4, 247458249), (6, 164972166), (9, 109981444), (12, 82486083), (18, 54990722), (36, 27495361), (43, 23019372), (86, 11509686), (129, 7673124), (172, 5754843), (258, 3836562), (387, 2557708), (516, 1918281), (619, 1599084), (774, 1278854), (1033, 958212), (1238, 799542), (1548, 639427), (1857, 533028), (2066, 479106), (2476, 399771), (3099, 319404), (3714, 266514), (4132, 239553), (5571, 177676), (6198, 159702), (7428, 133257), (9297, 106468), (11142, 88838), (12396, 79851), (18594, 53234), (22284, 44419), (26617, 37188)]