2191912

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{227}}^1$

素因数の和:321

約数の個数: 32

約数和(自身を含む): 4432320

約数和(自身を除く): 2240408

約数列:

[1, 2, 4, 8, 17, 34, 68, 71, 136, 142, 227, 284, 454, 568, 908, 1207, 1816, 2414, 3859, 4828, 7718, 9656, 15436, 16117, 30872, 32234, 64468, 128936, 273989, 547978, 1095956, 2191912]

約数ペア:

[(1, 2191912), (2, 1095956), (4, 547978), (8, 273989), (17, 128936), (34, 64468), (68, 32234), (71, 30872), (136, 16117), (142, 15436), (227, 9656), (284, 7718), (454, 4828), (568, 3859), (908, 2414), (1207, 1816)]