678641104

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{695329}}^1$

素因数の和:695398

約数の個数: 20

約数和(自身を含む): 1336424260

約数和(自身を除く): 657783156

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 695329, 1390658, 2781316, 5562632, 11125264, 42415069, 84830138, 169660276, 339320552, 678641104]

約数ペア:

[(1, 678641104), (2, 339320552), (4, 169660276), (8, 84830138), (16, 42415069), (61, 11125264), (122, 5562632), (244, 2781316), (488, 1390658), (976, 695329)]