399040434

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{2791}}^1$

素因数の和:2872

約数の個数: 72

約数和(自身を含む): 956472192

約数和(自身を除く): 557431758

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 47, 78, 94, 117, 141, 169, 234, 282, 338, 423, 507, 611, 846, 1014, 1222, 1521, 1833, 2791, 3042, 3666, 5499, 5582, 7943, 8373, 10998, 15886, 16746, 23829, 25119, 36283, 47658, 50238, 71487, 72566, 108849, 131177, 142974, 217698, 262354, 326547, 393531, 471679, 653094, 787062, 943358, 1180593, 1415037, 1705301, 2361186, 2830074, 3410602, 4245111, 5115903, 8490222, 10231806, 15347709, 22168913, 30695418, 44337826, 66506739, 133013478, 199520217, 399040434]

約数ペア:

[(1, 399040434), (2, 199520217), (3, 133013478), (6, 66506739), (9, 44337826), (13, 30695418), (18, 22168913), (26, 15347709), (39, 10231806), (47, 8490222), (78, 5115903), (94, 4245111), (117, 3410602), (141, 2830074), (169, 2361186), (234, 1705301), (282, 1415037), (338, 1180593), (423, 943358), (507, 787062), (611, 653094), (846, 471679), (1014, 393531), (1222, 326547), (1521, 262354), (1833, 217698), (2791, 142974), (3042, 131177), (3666, 108849), (5499, 72566), (5582, 71487), (7943, 50238), (8373, 47658), (10998, 36283), (15886, 25119), (16746, 23829)]