90929839

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{683}}^1$

素因数の和:740

約数の個数: 48

約数和(自身を含む): 130999680

約数和(自身を除く): 40069841

約数列:

[1, 7, 11, 13, 19, 49, 77, 91, 133, 143, 209, 247, 539, 637, 683, 931, 1001, 1463, 1729, 2717, 4781, 7007, 7513, 8879, 10241, 12103, 12977, 19019, 33467, 52591, 62153, 90839, 97669, 133133, 142747, 168701, 368137, 435071, 635873, 683683, 999229, 1180907, 1855711, 4785781, 6994603, 8266349, 12989977, 90929839]

約数ペア:

[(1, 90929839), (7, 12989977), (11, 8266349), (13, 6994603), (19, 4785781), (49, 1855711), (77, 1180907), (91, 999229), (133, 683683), (143, 635873), (209, 435071), (247, 368137), (539, 168701), (637, 142747), (683, 133133), (931, 97669), (1001, 90839), (1463, 62153), (1729, 52591), (2717, 33467), (4781, 19019), (7007, 12977), (7513, 12103), (8879, 10241)]