68159484

素因数分解:

$2^2\times 3^2\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{257}}^1$

素因数の和:459

約数の個数: 72

約数和(自身を含む): 177493680

約数和(自身を除く): 109334196

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 53, 106, 139, 159, 212, 257, 278, 318, 417, 477, 514, 556, 636, 771, 834, 954, 1028, 1251, 1542, 1668, 1908, 2313, 2502, 3084, 4626, 5004, 7367, 9252, 13621, 14734, 22101, 27242, 29468, 35723, 40863, 44202, 54484, 66303, 71446, 81726, 88404, 107169, 122589, 132606, 142892, 163452, 214338, 245178, 265212, 321507, 428676, 490356, 643014, 1286028, 1893319, 3786638, 5679957, 7573276, 11359914, 17039871, 22719828, 34079742, 68159484]

約数ペア:

[(1, 68159484), (2, 34079742), (3, 22719828), (4, 17039871), (6, 11359914), (9, 7573276), (12, 5679957), (18, 3786638), (36, 1893319), (53, 1286028), (106, 643014), (139, 490356), (159, 428676), (212, 321507), (257, 265212), (278, 245178), (318, 214338), (417, 163452), (477, 142892), (514, 132606), (556, 122589), (636, 107169), (771, 88404), (834, 81726), (954, 71446), (1028, 66303), (1251, 54484), (1542, 44202), (1668, 40863), (1908, 35723), (2313, 29468), (2502, 27242), (3084, 22101), (4626, 14734), (5004, 13621), (7367, 9252)]