989968446

素因数分解:

$2^1\times 3^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{809}}^1$

素因数の和:911

約数の個数: 128

約数和(自身を含む): 2463436800

約数和(自身を除く): 1473468354

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 31, 34, 43, 51, 54, 62, 86, 93, 102, 129, 153, 186, 258, 279, 306, 387, 459, 527, 558, 731, 774, 809, 837, 918, 1054, 1161, 1333, 1462, 1581, 1618, 1674, 2193, 2322, 2427, 2666, 3162, 3999, 4386, 4743, 4854, 6579, 7281, 7998, 9486, 11997, 13158, 13753, 14229, 14562, 19737, 21843, 22661, 23994, 25079, 27506, 28458, 34787, 35991, 39474, 41259, 43686, 45322, 50158, 67983, 69574, 71982, 75237, 82518, 104361, 123777, 135966, 150474, 203949, 208722, 225711, 247554, 313083, 371331, 407898, 426343, 451422, 591379, 611847, 626166, 677133, 742662, 852686, 939249, 1078397, 1182758, 1223694, 1279029, 1354266, 1774137, 1878498, 2156794, 2558058, 3235191, 3548274, 3837087, 5322411, 6470382, 7674174, 9705573, 10644822, 11511261, 15967233, 18332749, 19411146, 23022522, 29116719, 31934466, 36665498, 54998247, 58233438, 109996494, 164994741, 329989482, 494984223, 989968446]

約数ペア:

[(1, 989968446), (2, 494984223), (3, 329989482), (6, 164994741), (9, 109996494), (17, 58233438), (18, 54998247), (27, 36665498), (31, 31934466), (34, 29116719), (43, 23022522), (51, 19411146), (54, 18332749), (62, 15967233), (86, 11511261), (93, 10644822), (102, 9705573), (129, 7674174), (153, 6470382), (186, 5322411), (258, 3837087), (279, 3548274), (306, 3235191), (387, 2558058), (459, 2156794), (527, 1878498), (558, 1774137), (731, 1354266), (774, 1279029), (809, 1223694), (837, 1182758), (918, 1078397), (1054, 939249), (1161, 852686), (1333, 742662), (1462, 677133), (1581, 626166), (1618, 611847), (1674, 591379), (2193, 451422), (2322, 426343), (2427, 407898), (2666, 371331), (3162, 313083), (3999, 247554), (4386, 225711), (4743, 208722), (4854, 203949), (6579, 150474), (7281, 135966), (7998, 123777), (9486, 104361), (11997, 82518), (13158, 75237), (13753, 71982), (14229, 69574), (14562, 67983), (19737, 50158), (21843, 45322), (22661, 43686), (23994, 41259), (25079, 39474), (27506, 35991), (28458, 34787)]