209008664

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{181}}^1$

素因数の和:384

約数の個数: 64

約数和(自身を含む): 424569600

約数和(自身を除く): 215560936

約数列:

[1, 2, 4, 8, 19, 38, 71, 76, 107, 142, 152, 181, 214, 284, 362, 428, 568, 724, 856, 1349, 1448, 2033, 2698, 3439, 4066, 5396, 6878, 7597, 8132, 10792, 12851, 13756, 15194, 16264, 19367, 25702, 27512, 30388, 38734, 51404, 60776, 77468, 102808, 144343, 154936, 244169, 288686, 367973, 488338, 577372, 735946, 976676, 1154744, 1375057, 1471892, 1953352, 2750114, 2943784, 5500228, 11000456, 26126083, 52252166, 104504332, 209008664]

約数ペア:

[(1, 209008664), (2, 104504332), (4, 52252166), (8, 26126083), (19, 11000456), (38, 5500228), (71, 2943784), (76, 2750114), (107, 1953352), (142, 1471892), (152, 1375057), (181, 1154744), (214, 976676), (284, 735946), (362, 577372), (428, 488338), (568, 367973), (724, 288686), (856, 244169), (1349, 154936), (1448, 144343), (2033, 102808), (2698, 77468), (3439, 60776), (4066, 51404), (5396, 38734), (6878, 30388), (7597, 27512), (8132, 25702), (10792, 19367), (12851, 16264), (13756, 15194)]