858168428

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{246317}}^1$

素因数の和:246401

約数の個数: 24

約数和(自身を含む): 1641463152

約数和(自身を除く): 783294724

約数列:

[1, 2, 4, 13, 26, 52, 67, 134, 268, 871, 1742, 3484, 246317, 492634, 985268, 3202121, 6404242, 12808484, 16503239, 33006478, 66012956, 214542107, 429084214, 858168428]

約数ペア:

[(1, 858168428), (2, 429084214), (4, 214542107), (13, 66012956), (26, 33006478), (52, 16503239), (67, 12808484), (134, 6404242), (268, 3202121), (871, 985268), (1742, 492634), (3484, 246317)]