809276

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1$

素因数の和:293

約数の個数: 24

約数和(自身を含む): 1552320

約数和(自身を除く): 743044

約数列:

[1, 2, 4, 13, 26, 52, 79, 158, 197, 316, 394, 788, 1027, 2054, 2561, 4108, 5122, 10244, 15563, 31126, 62252, 202319, 404638, 809276]

約数ペア:

[(1, 809276), (2, 404638), (4, 202319), (13, 62252), (26, 31126), (52, 15563), (79, 10244), (158, 5122), (197, 4108), (316, 2561), (394, 2054), (788, 1027)]