28691992

素因数分解:

$2^3\times 7^1\times {\mathrm{421}}^1\times {\mathrm{1217}}^1$

素因数の和:1651

約数の個数: 32

約数和(自身を含む): 61679520

約数和(自身を除く): 32987528

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 421, 842, 1217, 1684, 2434, 2947, 3368, 4868, 5894, 8519, 9736, 11788, 17038, 23576, 34076, 68152, 512357, 1024714, 2049428, 3586499, 4098856, 7172998, 14345996, 28691992]

約数ペア:

[(1, 28691992), (2, 14345996), (4, 7172998), (7, 4098856), (8, 3586499), (14, 2049428), (28, 1024714), (56, 512357), (421, 68152), (842, 34076), (1217, 23576), (1684, 17038), (2434, 11788), (2947, 9736), (3368, 8519), (4868, 5894)]