399169952

素因数分解:

$2^5\times {\mathrm{71}}^1\times {\mathrm{175691}}^1$

素因数の和:175772

約数の個数: 24

約数和(自身を含む): 796938912

約数和(自身を除く): 397768960

約数列:

[1, 2, 4, 8, 16, 32, 71, 142, 284, 568, 1136, 2272, 175691, 351382, 702764, 1405528, 2811056, 5622112, 12474061, 24948122, 49896244, 99792488, 199584976, 399169952]

約数ペア:

[(1, 399169952), (2, 199584976), (4, 99792488), (8, 49896244), (16, 24948122), (32, 12474061), (71, 5622112), (142, 2811056), (284, 1405528), (568, 702764), (1136, 351382), (2272, 175691)]