2019487561

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1181}}^1$

素因数の和:1286

約数の個数: 64

約数和(自身を含む): 2795950080

約数和(自身を除く): 776462519

約数列:

[1, 7, 13, 19, 23, 43, 91, 133, 161, 247, 299, 301, 437, 559, 817, 989, 1181, 1729, 2093, 3059, 3913, 5681, 5719, 6923, 8267, 10621, 12857, 15353, 18791, 22439, 27163, 39767, 50783, 74347, 89999, 107471, 131537, 157073, 190141, 244283, 291707, 353119, 355481, 516097, 660179, 964877, 1168009, 1709981, 2041949, 2471833, 3612679, 4621253, 6709261, 6754139, 8176063, 12543401, 15184117, 22192171, 46964827, 87803807, 106288819, 155345197, 288498223, 2019487561]

約数ペア:

[(1, 2019487561), (7, 288498223), (13, 155345197), (19, 106288819), (23, 87803807), (43, 46964827), (91, 22192171), (133, 15184117), (161, 12543401), (247, 8176063), (299, 6754139), (301, 6709261), (437, 4621253), (559, 3612679), (817, 2471833), (989, 2041949), (1181, 1709981), (1729, 1168009), (2093, 964877), (3059, 660179), (3913, 516097), (5681, 355481), (5719, 353119), (6923, 291707), (8267, 244283), (10621, 190141), (12857, 157073), (15353, 131537), (18791, 107471), (22439, 89999), (27163, 74347), (39767, 50783)]