128004478

素因数分解:

$2^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{251}}^1\times {\mathrm{499}}^1$

素因数の和:832

約数の個数: 32

約数和(自身を含む): 223776000

約数和(自身を除く): 95771522

約数列:

[1, 2, 7, 14, 73, 146, 251, 499, 502, 511, 998, 1022, 1757, 3493, 3514, 6986, 18323, 36427, 36646, 72854, 125249, 128261, 250498, 254989, 256522, 509978, 876743, 1753486, 9143177, 18286354, 64002239, 128004478]

約数ペア:

[(1, 128004478), (2, 64002239), (7, 18286354), (14, 9143177), (73, 1753486), (146, 876743), (251, 509978), (499, 256522), (502, 254989), (511, 250498), (998, 128261), (1022, 125249), (1757, 72854), (3493, 36646), (3514, 36427), (6986, 18323)]