172978379

素因数分解:

$7^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{1549}}^1$

素因数の和:1659

約数の個数: 24

約数和(自身を含む): 209919600

約数和(自身を除く): 36941221

約数列:

[1, 7, 43, 49, 53, 301, 371, 1549, 2107, 2279, 2597, 10843, 15953, 66607, 75901, 82097, 111671, 466249, 574679, 3263743, 3530171, 4022753, 24711197, 172978379]

約数ペア:

[(1, 172978379), (7, 24711197), (43, 4022753), (49, 3530171), (53, 3263743), (301, 574679), (371, 466249), (1549, 111671), (2107, 82097), (2279, 75901), (2597, 66607), (10843, 15953)]