221267872

素因数分解:

$2^5\times 7^1\times {\mathrm{987803}}^1$

素因数の和:987820

約数の個数: 24

約数和(自身を含む): 497853216

約数和(自身を除く): 276585344

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 987803, 1975606, 3951212, 6914621, 7902424, 13829242, 15804848, 27658484, 31609696, 55316968, 110633936, 221267872]

約数ペア:

[(1, 221267872), (2, 110633936), (4, 55316968), (7, 31609696), (8, 27658484), (14, 15804848), (16, 13829242), (28, 7902424), (32, 6914621), (56, 3951212), (112, 1975606), (224, 987803)]