1490491387

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{9871}}^1$

素因数の和:9979

約数の個数: 32

約数和(自身を含む): 1944705024

約数和(自身を除く): 454213637

約数列:

[1, 7, 11, 37, 53, 77, 259, 371, 407, 583, 1961, 2849, 4081, 9871, 13727, 21571, 69097, 108581, 150997, 365227, 523163, 760067, 2556589, 3662141, 4017497, 5754793, 19357031, 28122479, 40283551, 135499217, 212927341, 1490491387]

約数ペア:

[(1, 1490491387), (7, 212927341), (11, 135499217), (37, 40283551), (53, 28122479), (77, 19357031), (259, 5754793), (371, 4017497), (407, 3662141), (583, 2556589), (1961, 760067), (2849, 523163), (4081, 365227), (9871, 150997), (13727, 108581), (21571, 69097)]