16180556

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{151}}^1$

素因数の和:294

約数の個数: 48

約数和(自身を含む): 33707520

約数和(自身を除く): 17526964

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 89, 151, 172, 178, 301, 302, 356, 602, 604, 623, 1057, 1204, 1246, 2114, 2492, 3827, 4228, 6493, 7654, 12986, 13439, 15308, 25972, 26789, 26878, 45451, 53578, 53756, 90902, 94073, 107156, 181804, 188146, 376292, 577877, 1155754, 2311508, 4045139, 8090278, 16180556]

約数ペア:

[(1, 16180556), (2, 8090278), (4, 4045139), (7, 2311508), (14, 1155754), (28, 577877), (43, 376292), (86, 188146), (89, 181804), (151, 107156), (172, 94073), (178, 90902), (301, 53756), (302, 53578), (356, 45451), (602, 26878), (604, 26789), (623, 25972), (1057, 15308), (1204, 13439), (1246, 12986), (2114, 7654), (2492, 6493), (3827, 4228)]