9990784

素因数分解:

$2^7\times {\mathrm{89}}^1\times {\mathrm{877}}^1$

素因数の和:980

約数の個数: 32

約数和(自身を含む): 20150100

約数和(自身を除く): 10159316

約数列:

[1, 2, 4, 8, 16, 32, 64, 89, 128, 178, 356, 712, 877, 1424, 1754, 2848, 3508, 5696, 7016, 11392, 14032, 28064, 56128, 78053, 112256, 156106, 312212, 624424, 1248848, 2497696, 4995392, 9990784]

約数ペア:

[(1, 9990784), (2, 4995392), (4, 2497696), (8, 1248848), (16, 624424), (32, 312212), (64, 156106), (89, 112256), (128, 78053), (178, 56128), (356, 28064), (712, 14032), (877, 11392), (1424, 7016), (1754, 5696), (2848, 3508)]