1403428

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{197}}^1$

素因数の和:351

約数の個数: 24

約数和(自身を含む): 2677752

約数和(自身を除く): 1274324

約数列:

[1, 2, 4, 13, 26, 52, 137, 197, 274, 394, 548, 788, 1781, 2561, 3562, 5122, 7124, 10244, 26989, 53978, 107956, 350857, 701714, 1403428]

約数ペア:

[(1, 1403428), (2, 701714), (4, 350857), (13, 107956), (26, 53978), (52, 26989), (137, 10244), (197, 7124), (274, 5122), (394, 3562), (548, 2561), (788, 1781)]