39840983

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{487}}^1$

素因数の和:567

約数の個数: 32

約数和(自身を含む): 52469760

約数和(自身を除く): 12628777

約数列:

[1, 7, 13, 29, 31, 91, 203, 217, 377, 403, 487, 899, 2639, 2821, 3409, 6293, 6331, 11687, 14123, 15097, 44317, 81809, 98861, 105679, 183599, 196261, 437813, 1285193, 1373827, 3064691, 5691569, 39840983]

約数ペア:

[(1, 39840983), (7, 5691569), (13, 3064691), (29, 1373827), (31, 1285193), (91, 437813), (203, 196261), (217, 183599), (377, 105679), (403, 98861), (487, 81809), (899, 44317), (2639, 15097), (2821, 14123), (3409, 11687), (6293, 6331)]