138857191

素因数分解:

${\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{191}}^1$

素因数の和:327

約数の個数: 32

約数和(自身を含む): 164229120

約数和(自身を除く): 25371929

約数列:

[1, 11, 29, 43, 53, 191, 319, 473, 583, 1247, 1537, 2101, 2279, 5539, 8213, 10123, 13717, 16907, 25069, 60929, 66091, 90343, 111353, 238177, 293567, 435289, 727001, 2619947, 3229237, 4788179, 12623381, 138857191]

約数ペア:

[(1, 138857191), (11, 12623381), (29, 4788179), (43, 3229237), (53, 2619947), (191, 727001), (319, 435289), (473, 293567), (583, 238177), (1247, 111353), (1537, 90343), (2101, 66091), (2279, 60929), (5539, 25069), (8213, 16907), (10123, 13717)]