397884902

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{64781}}^1$

素因数の和:64903

約数の個数: 16

約数和(自身を含む): 620352432

約数和(自身を除く): 222467530

約数列:

[1, 2, 37, 74, 83, 166, 3071, 6142, 64781, 129562, 2396897, 4793794, 5376823, 10753646, 198942451, 397884902]

約数ペア:

[(1, 397884902), (2, 198942451), (37, 10753646), (74, 5376823), (83, 4793794), (166, 2396897), (3071, 129562), (6142, 64781)]