28131786

素因数分解:

$2^1\times 3^4\times {\mathrm{211}}^1\times {\mathrm{823}}^1$

素因数の和:1048

約数の個数: 40

約数和(自身を含む): 63411744

約数和(自身を除く): 35279958

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 211, 422, 633, 823, 1266, 1646, 1899, 2469, 3798, 4938, 5697, 7407, 11394, 14814, 17091, 22221, 34182, 44442, 66663, 133326, 173653, 347306, 520959, 1041918, 1562877, 3125754, 4688631, 9377262, 14065893, 28131786]

約数ペア:

[(1, 28131786), (2, 14065893), (3, 9377262), (6, 4688631), (9, 3125754), (18, 1562877), (27, 1041918), (54, 520959), (81, 347306), (162, 173653), (211, 133326), (422, 66663), (633, 44442), (823, 34182), (1266, 22221), (1646, 17091), (1899, 14814), (2469, 11394), (3798, 7407), (4938, 5697)]