149996

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{487}}^1$

素因数の和:509

約数の個数: 24

約数和(自身を含む): 327936

約数和(自身を除く): 177940

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 487, 974, 1948, 3409, 5357, 6818, 10714, 13636, 21428, 37499, 74998, 149996]

約数ペア:

[(1, 149996), (2, 74998), (4, 37499), (7, 21428), (11, 13636), (14, 10714), (22, 6818), (28, 5357), (44, 3409), (77, 1948), (154, 974), (308, 487)]