90187972

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{36191}}^1$

素因数の和:36291

約数の個数: 24

約数和(自身を含む): 182407680

約数和(自身を除く): 92219708

約数列:

[1, 2, 4, 7, 14, 28, 89, 178, 356, 623, 1246, 2492, 36191, 72382, 144764, 253337, 506674, 1013348, 3220999, 6441998, 12883996, 22546993, 45093986, 90187972]

約数ペア:

[(1, 90187972), (2, 45093986), (4, 22546993), (7, 12883996), (14, 6441998), (28, 3220999), (89, 1013348), (178, 506674), (356, 253337), (623, 144764), (1246, 72382), (2492, 36191)]