212205889

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{69371}}^1$

素因数の和:69420

約数の個数: 16

約数和(自身を含む): 266388480

約数和(自身を除く): 54182591

約数列:

[1, 7, 19, 23, 133, 161, 437, 3059, 69371, 485597, 1318049, 1595533, 9226343, 11168731, 30315127, 212205889]

約数ペア:

[(1, 212205889), (7, 30315127), (19, 11168731), (23, 9226343), (133, 1595533), (161, 1318049), (437, 485597), (3059, 69371)]