287928

素因数分解:

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

素因数の和:89

約数の個数: 64

約数和(自身を含む): 844800

約数和(自身を除く): 556872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 31, 36, 43, 54, 62, 72, 86, 93, 108, 124, 129, 172, 186, 216, 248, 258, 279, 344, 372, 387, 516, 558, 744, 774, 837, 1032, 1116, 1161, 1333, 1548, 1674, 2232, 2322, 2666, 3096, 3348, 3999, 4644, 5332, 6696, 7998, 9288, 10664, 11997, 15996, 23994, 31992, 35991, 47988, 71982, 95976, 143964, 287928]

約数ペア:

[(1, 287928), (2, 143964), (3, 95976), (4, 71982), (6, 47988), (8, 35991), (9, 31992), (12, 23994), (18, 15996), (24, 11997), (27, 10664), (31, 9288), (36, 7998), (43, 6696), (54, 5332), (62, 4644), (72, 3999), (86, 3348), (93, 3096), (108, 2666), (124, 2322), (129, 2232), (172, 1674), (186, 1548), (216, 1333), (248, 1161), (258, 1116), (279, 1032), (344, 837), (372, 774), (387, 744), (516, 558)]