138663938

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{193}}^1$

素因数の和:331

約数の個数: 64

約数和(自身を含む): 261853440

約数和(自身を除く): 123189502

約数列:

[1, 2, 7, 14, 19, 37, 38, 73, 74, 133, 146, 193, 259, 266, 386, 511, 518, 703, 1022, 1351, 1387, 1406, 2701, 2702, 2774, 3667, 4921, 5402, 7141, 7334, 9709, 9842, 14089, 14282, 18907, 19418, 25669, 28178, 37814, 49987, 51319, 51338, 98623, 99974, 102638, 135679, 197246, 267691, 271358, 359233, 521293, 535382, 718466, 949753, 1042586, 1873837, 1899506, 3649051, 3747674, 7298102, 9904567, 19809134, 69331969, 138663938]

約数ペア:

[(1, 138663938), (2, 69331969), (7, 19809134), (14, 9904567), (19, 7298102), (37, 3747674), (38, 3649051), (73, 1899506), (74, 1873837), (133, 1042586), (146, 949753), (193, 718466), (259, 535382), (266, 521293), (386, 359233), (511, 271358), (518, 267691), (703, 197246), (1022, 135679), (1351, 102638), (1387, 99974), (1406, 98623), (2701, 51338), (2702, 51319), (2774, 49987), (3667, 37814), (4921, 28178), (5402, 25669), (7141, 19418), (7334, 18907), (9709, 14282), (9842, 14089)]