66475409

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{179}}^1$

素因数の和:270

約数の個数: 48

約数和(自身を含む): 93078720

約数和(自身を除く): 26603311

約数列:

[1, 7, 11, 13, 49, 53, 77, 91, 143, 179, 371, 539, 583, 637, 689, 1001, 1253, 1969, 2327, 2597, 4081, 4823, 7007, 7579, 8771, 9487, 13783, 16289, 25597, 28567, 33761, 53053, 66409, 96481, 104357, 114023, 123331, 179179, 371371, 464863, 730499, 863317, 1254253, 1356641, 5113493, 6043219, 9496487, 66475409]

約数ペア:

[(1, 66475409), (7, 9496487), (11, 6043219), (13, 5113493), (49, 1356641), (53, 1254253), (77, 863317), (91, 730499), (143, 464863), (179, 371371), (371, 179179), (539, 123331), (583, 114023), (637, 104357), (689, 96481), (1001, 66409), (1253, 53053), (1969, 33761), (2327, 28567), (2597, 25597), (4081, 16289), (4823, 13783), (7007, 9487), (7579, 8771)]