9889744

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1$

素因数の和:323

約数の個数: 40

約数和(自身を含む): 20062208

約数和(自身を除く): 10172464

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 127, 157, 248, 254, 314, 496, 508, 628, 1016, 1256, 2032, 2512, 3937, 4867, 7874, 9734, 15748, 19468, 19939, 31496, 38936, 39878, 62992, 77872, 79756, 159512, 319024, 618109, 1236218, 2472436, 4944872, 9889744]

約数ペア:

[(1, 9889744), (2, 4944872), (4, 2472436), (8, 1236218), (16, 618109), (31, 319024), (62, 159512), (124, 79756), (127, 77872), (157, 62992), (248, 39878), (254, 38936), (314, 31496), (496, 19939), (508, 19468), (628, 15748), (1016, 9734), (1256, 7874), (2032, 4867), (2512, 3937)]