1621167305

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{7649}}^1$

素因数の和:7793

約数の個数: 32

約数和(自身を含む): 2159136000

約数和(自身を除く): 537968695

約数列:

[1, 5, 19, 23, 95, 97, 115, 437, 485, 1843, 2185, 2231, 7649, 9215, 11155, 38245, 42389, 145331, 175927, 211945, 726655, 741953, 879635, 3342613, 3709765, 14097107, 16713065, 17064919, 70485535, 85324595, 324233461, 1621167305]

約数ペア:

[(1, 1621167305), (5, 324233461), (19, 85324595), (23, 70485535), (95, 17064919), (97, 16713065), (115, 14097107), (437, 3709765), (485, 3342613), (1843, 879635), (2185, 741953), (2231, 726655), (7649, 211945), (9215, 175927), (11155, 145331), (38245, 42389)]