219979984

素因数分解:

$2^4\times 7^1\times {\mathrm{103}}^1\times {\mathrm{19069}}^1$

素因数の和:19187

約数の個数: 40

約数和(自身を含む): 491853440

約数和(自身を除く): 271873456

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 103, 112, 206, 412, 721, 824, 1442, 1648, 2884, 5768, 11536, 19069, 38138, 76276, 133483, 152552, 266966, 305104, 533932, 1067864, 1964107, 2135728, 3928214, 7856428, 13748749, 15712856, 27497498, 31425712, 54994996, 109989992, 219979984]

約数ペア:

[(1, 219979984), (2, 109989992), (4, 54994996), (7, 31425712), (8, 27497498), (14, 15712856), (16, 13748749), (28, 7856428), (56, 3928214), (103, 2135728), (112, 1964107), (206, 1067864), (412, 533932), (721, 305104), (824, 266966), (1442, 152552), (1648, 133483), (2884, 76276), (5768, 38138), (11536, 19069)]