1278704

素因数分解:

$2^4\times 7^3\times {\mathrm{233}}^1$

素因数の和:262

約数の個数: 40

約数和(自身を含む): 2901600

約数和(自身を除く): 1622896

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 233, 343, 392, 466, 686, 784, 932, 1372, 1631, 1864, 2744, 3262, 3728, 5488, 6524, 11417, 13048, 22834, 26096, 45668, 79919, 91336, 159838, 182672, 319676, 639352, 1278704]

約数ペア:

[(1, 1278704), (2, 639352), (4, 319676), (7, 182672), (8, 159838), (14, 91336), (16, 79919), (28, 45668), (49, 26096), (56, 22834), (98, 13048), (112, 11417), (196, 6524), (233, 5488), (343, 3728), (392, 3262), (466, 2744), (686, 1864), (784, 1631), (932, 1372)]