731312318

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{821}}^1\times {\mathrm{2131}}^1$

素因数の和:2984

約数の個数: 32

約数和(自身を含む): 1261802880

約数和(自身を除く): 530490562

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 821, 1642, 2131, 4262, 9031, 15599, 18062, 23441, 31198, 40489, 46882, 80978, 171589, 343178, 445379, 890758, 1749551, 3499102, 19245061, 33241469, 38490122, 66482938, 365656159, 731312318]

約数ペア:

[(1, 731312318), (2, 365656159), (11, 66482938), (19, 38490122), (22, 33241469), (38, 19245061), (209, 3499102), (418, 1749551), (821, 890758), (1642, 445379), (2131, 343178), (4262, 171589), (9031, 80978), (15599, 46882), (18062, 40489), (23441, 31198)]