637293839

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{2441}}^1$

素因数の和:2631

約数の個数: 32

約数和(自身を含む): 831452160

約数和(自身を除く): 194158321

約数列:

[1, 7, 13, 19, 91, 133, 151, 247, 1057, 1729, 1963, 2441, 2869, 13741, 17087, 20083, 31733, 37297, 46379, 222131, 261079, 324653, 368591, 602927, 2580137, 4220489, 4791683, 7003229, 33541781, 49022603, 91041977, 637293839]

約数ペア:

[(1, 637293839), (7, 91041977), (13, 49022603), (19, 33541781), (91, 7003229), (133, 4791683), (151, 4220489), (247, 2580137), (1057, 602927), (1729, 368591), (1963, 324653), (2441, 261079), (2869, 222131), (13741, 46379), (17087, 37297), (20083, 31733)]