128597672

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{74077}}^1$

素因数の和:74121

約数の個数: 32

約数和(自身を含む): 284459520

約数和(自身を除く): 155861848

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 868, 1736, 74077, 148154, 296308, 518539, 592616, 1037078, 2074156, 2296387, 4148312, 4592774, 9185548, 16074709, 18371096, 32149418, 64298836, 128597672]

約数ペア:

[(1, 128597672), (2, 64298836), (4, 32149418), (7, 18371096), (8, 16074709), (14, 9185548), (28, 4592774), (31, 4148312), (56, 2296387), (62, 2074156), (124, 1037078), (217, 592616), (248, 518539), (434, 296308), (868, 148154), (1736, 74077)]