1989602209

素因数分解:

$7^1\times {\mathrm{89}}^1\times {\mathrm{223}}^1\times {\mathrm{14321}}^1$

素因数の和:14640

約数の個数: 16

約数和(自身を含む): 2309852160

約数和(自身を除く): 320249951

約数列:

[1, 7, 89, 223, 623, 1561, 14321, 19847, 100247, 138929, 1274569, 3193583, 8921983, 22355081, 284228887, 1989602209]

約数ペア:

[(1, 1989602209), (7, 284228887), (89, 22355081), (223, 8921983), (623, 3193583), (1561, 1274569), (14321, 138929), (19847, 100247)]