1621004

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{277}}^1$

素因数の和:318

約数の個数: 48

約数和(自身を含む): 3736320

約数和(自身を除く): 2115316

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 44, 76, 77, 133, 154, 209, 266, 277, 308, 418, 532, 554, 836, 1108, 1463, 1939, 2926, 3047, 3878, 5263, 5852, 6094, 7756, 10526, 12188, 21052, 21329, 36841, 42658, 57893, 73682, 85316, 115786, 147364, 231572, 405251, 810502, 1621004]

約数ペア:

[(1, 1621004), (2, 810502), (4, 405251), (7, 231572), (11, 147364), (14, 115786), (19, 85316), (22, 73682), (28, 57893), (38, 42658), (44, 36841), (76, 21329), (77, 21052), (133, 12188), (154, 10526), (209, 7756), (266, 6094), (277, 5852), (308, 5263), (418, 3878), (532, 3047), (554, 2926), (836, 1939), (1108, 1463)]