999552888

素因数分解:

$2^3\times 3^2\times {\mathrm{43}}^1\times {\mathrm{499}}^1\times {\mathrm{647}}^1$

素因数の和:1201

約数の個数: 96

約数和(自身を含む): 2779920000

約数和(自身を除く): 1780367112

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 43, 72, 86, 129, 172, 258, 344, 387, 499, 516, 647, 774, 998, 1032, 1294, 1497, 1548, 1941, 1996, 2588, 2994, 3096, 3882, 3992, 4491, 5176, 5823, 5988, 7764, 8982, 11646, 11976, 15528, 17964, 21457, 23292, 27821, 35928, 42914, 46584, 55642, 64371, 83463, 85828, 111284, 128742, 166926, 171656, 193113, 222568, 250389, 257484, 322853, 333852, 386226, 500778, 514968, 645706, 667704, 772452, 968559, 1001556, 1291412, 1544904, 1937118, 2003112, 2582824, 2905677, 3874236, 5811354, 7748472, 11622708, 13882679, 23245416, 27765358, 41648037, 55530716, 83296074, 111061432, 124944111, 166592148, 249888222, 333184296, 499776444, 999552888]

約数ペア:

[(1, 999552888), (2, 499776444), (3, 333184296), (4, 249888222), (6, 166592148), (8, 124944111), (9, 111061432), (12, 83296074), (18, 55530716), (24, 41648037), (36, 27765358), (43, 23245416), (72, 13882679), (86, 11622708), (129, 7748472), (172, 5811354), (258, 3874236), (344, 2905677), (387, 2582824), (499, 2003112), (516, 1937118), (647, 1544904), (774, 1291412), (998, 1001556), (1032, 968559), (1294, 772452), (1497, 667704), (1548, 645706), (1941, 514968), (1996, 500778), (2588, 386226), (2994, 333852), (3096, 322853), (3882, 257484), (3992, 250389), (4491, 222568), (5176, 193113), (5823, 171656), (5988, 166926), (7764, 128742), (8982, 111284), (11646, 85828), (11976, 83463), (15528, 64371), (17964, 55642), (21457, 46584), (23292, 42914), (27821, 35928)]