28678698

素因数分解:

$2^1\times 3^4\times {\mathrm{211}}^1\times {\mathrm{839}}^1$

素因数の和:1064

約数の個数: 40

約数和(自身を含む): 64643040

約数和(自身を除く): 35964342

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 211, 422, 633, 839, 1266, 1678, 1899, 2517, 3798, 5034, 5697, 7551, 11394, 15102, 17091, 22653, 34182, 45306, 67959, 135918, 177029, 354058, 531087, 1062174, 1593261, 3186522, 4779783, 9559566, 14339349, 28678698]

約数ペア:

[(1, 28678698), (2, 14339349), (3, 9559566), (6, 4779783), (9, 3186522), (18, 1593261), (27, 1062174), (54, 531087), (81, 354058), (162, 177029), (211, 135918), (422, 67959), (633, 45306), (839, 34182), (1266, 22653), (1678, 17091), (1899, 15102), (2517, 11394), (3798, 7551), (5034, 5697)]