28640996

素因数分解:

$2^2\times {\mathrm{97}}^2\times {\mathrm{761}}^1$

素因数の和:959

約数の個数: 18

約数和(自身を含む): 50710338

約数和(自身を除く): 22069342

約数列:

[1, 2, 4, 97, 194, 388, 761, 1522, 3044, 9409, 18818, 37636, 73817, 147634, 295268, 7160249, 14320498, 28640996]

約数ペア:

[(1, 28640996), (2, 14320498), (4, 7160249), (97, 295268), (194, 147634), (388, 73817), (761, 37636), (1522, 18818), (3044, 9409)]