1528891

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{317}}^1$

素因数の和:390

約数の個数: 16

約数和(自身を含む): 1923264

約数和(自身を除く): 394373

約数列:

[1, 7, 13, 53, 91, 317, 371, 689, 2219, 4121, 4823, 16801, 28847, 117607, 218413, 1528891]

約数ペア:

[(1, 1528891), (7, 218413), (13, 117607), (53, 28847), (91, 16801), (317, 4823), (371, 4121), (689, 2219)]