289247504

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{198659}}^1$

素因数の和:198687

約数の個数: 40

約数和(自身を含む): 689747520

約数和(自身を除く): 400500016

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 198659, 397318, 794636, 1390613, 1589272, 2582567, 2781226, 3178544, 5165134, 5562452, 10330268, 11124904, 18077969, 20660536, 22249808, 36155938, 41321072, 72311876, 144623752, 289247504]

約数ペア:

[(1, 289247504), (2, 144623752), (4, 72311876), (7, 41321072), (8, 36155938), (13, 22249808), (14, 20660536), (16, 18077969), (26, 11124904), (28, 10330268), (52, 5562452), (56, 5165134), (91, 3178544), (104, 2781226), (112, 2582567), (182, 1589272), (208, 1390613), (364, 794636), (728, 397318), (1456, 198659)]