128837735

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{22271}}^1$

素因数の和:22378

約数の個数: 16

約数和(自身を含む): 168376320

約数和(自身を除く): 39538585

約数列:

[1, 5, 13, 65, 89, 445, 1157, 5785, 22271, 111355, 289523, 1447615, 1982119, 9910595, 25767547, 128837735]

約数ペア:

[(1, 128837735), (5, 25767547), (13, 9910595), (65, 1982119), (89, 1447615), (445, 289523), (1157, 111355), (5785, 22271)]