2785458

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:139

約数の個数: 48

約数和(自身を含む): 6271776

約数和(自身を除く): 3486318

約数列:

[1, 2, 3, 6, 13, 26, 39, 41, 67, 78, 82, 123, 134, 169, 201, 246, 338, 402, 507, 533, 871, 1014, 1066, 1599, 1742, 2613, 2747, 3198, 5226, 5494, 6929, 8241, 11323, 13858, 16482, 20787, 22646, 33969, 35711, 41574, 67938, 71422, 107133, 214266, 464243, 928486, 1392729, 2785458]

約数ペア:

[(1, 2785458), (2, 1392729), (3, 928486), (6, 464243), (13, 214266), (26, 107133), (39, 71422), (41, 67938), (67, 41574), (78, 35711), (82, 33969), (123, 22646), (134, 20787), (169, 16482), (201, 13858), (246, 11323), (338, 8241), (402, 6929), (507, 5494), (533, 5226), (871, 3198), (1014, 2747), (1066, 2613), (1599, 1742)]