28787886

素因数分解:

$2^1\times 3^4\times {\mathrm{83}}^1\times {\mathrm{2141}}^1$

素因数の和:2238

約数の個数: 40

約数和(自身を含む): 65313864

約数和(自身を除く): 36525978

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 83, 162, 166, 249, 498, 747, 1494, 2141, 2241, 4282, 4482, 6423, 6723, 12846, 13446, 19269, 38538, 57807, 115614, 173421, 177703, 346842, 355406, 533109, 1066218, 1599327, 3198654, 4797981, 9595962, 14393943, 28787886]

約数ペア:

[(1, 28787886), (2, 14393943), (3, 9595962), (6, 4797981), (9, 3198654), (18, 1599327), (27, 1066218), (54, 533109), (81, 355406), (83, 346842), (162, 177703), (166, 173421), (249, 115614), (498, 57807), (747, 38538), (1494, 19269), (2141, 13446), (2241, 12846), (4282, 6723), (4482, 6423)]