80346721

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{487}}^1$

素因数の和:558

約数の個数: 32

約数和(自身を含む): 103846400

約数和(自身を除く): 23499679

約数列:

[1, 7, 13, 37, 49, 91, 259, 343, 481, 487, 637, 1813, 3367, 3409, 4459, 6331, 12691, 18019, 23569, 23863, 44317, 126133, 164983, 167041, 234247, 310219, 882931, 1639729, 2171533, 6180517, 11478103, 80346721]

約数ペア:

[(1, 80346721), (7, 11478103), (13, 6180517), (37, 2171533), (49, 1639729), (91, 882931), (259, 310219), (343, 234247), (481, 167041), (487, 164983), (637, 126133), (1813, 44317), (3367, 23863), (3409, 23569), (4459, 18019), (6331, 12691)]