140973217

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{577}}^1$

素因数の和:781

約数の個数: 32

約数和(自身を含む): 186439680

約数和(自身を除く): 45466463

約数列:

[1, 7, 11, 19, 77, 133, 167, 209, 577, 1169, 1463, 1837, 3173, 4039, 6347, 10963, 12859, 22211, 34903, 44429, 76741, 96359, 120593, 244321, 674513, 844151, 1059949, 1830821, 7419643, 12815747, 20139031, 140973217]

約数ペア:

[(1, 140973217), (7, 20139031), (11, 12815747), (19, 7419643), (77, 1830821), (133, 1059949), (167, 844151), (209, 674513), (577, 244321), (1169, 120593), (1463, 96359), (1837, 76741), (3173, 44429), (4039, 34903), (6347, 22211), (10963, 12859)]