16991496

素因数分解:

$2^3\times 3^2\times {\mathrm{409}}^1\times {\mathrm{577}}^1$

素因数の和:998

約数の個数: 48

約数和(自身を含む): 46211100

約数和(自身を除く): 29219604

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 409, 577, 818, 1154, 1227, 1636, 1731, 2308, 2454, 3272, 3462, 3681, 4616, 4908, 5193, 6924, 7362, 9816, 10386, 13848, 14724, 20772, 29448, 41544, 235993, 471986, 707979, 943972, 1415958, 1887944, 2123937, 2831916, 4247874, 5663832, 8495748, 16991496]

約数ペア:

[(1, 16991496), (2, 8495748), (3, 5663832), (4, 4247874), (6, 2831916), (8, 2123937), (9, 1887944), (12, 1415958), (18, 943972), (24, 707979), (36, 471986), (72, 235993), (409, 41544), (577, 29448), (818, 20772), (1154, 14724), (1227, 13848), (1636, 10386), (1731, 9816), (2308, 7362), (2454, 6924), (3272, 5193), (3462, 4908), (3681, 4616)]