78239728

素因数分解:

$2^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{9839}}^1$

素因数の和:9925

約数の個数: 40

約数和(自身を含む): 175703040

約数和(自身を除く): 97463312

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 71, 112, 142, 284, 497, 568, 994, 1136, 1988, 3976, 7952, 9839, 19678, 39356, 68873, 78712, 137746, 157424, 275492, 550984, 698569, 1101968, 1397138, 2794276, 4889983, 5588552, 9779966, 11177104, 19559932, 39119864, 78239728]

約数ペア:

[(1, 78239728), (2, 39119864), (4, 19559932), (7, 11177104), (8, 9779966), (14, 5588552), (16, 4889983), (28, 2794276), (56, 1397138), (71, 1101968), (112, 698569), (142, 550984), (284, 275492), (497, 157424), (568, 137746), (994, 78712), (1136, 68873), (1988, 39356), (3976, 19678), (7952, 9839)]