289489716

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{1861}}^1$

素因数の和:2049

約数の個数: 72

約数和(自身を含む): 762489000

約数和(自身を除く): 472999284

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 116, 149, 174, 261, 298, 348, 447, 522, 596, 894, 1044, 1341, 1788, 1861, 2682, 3722, 4321, 5364, 5583, 7444, 8642, 11166, 12963, 16749, 17284, 22332, 25926, 33498, 38889, 51852, 53969, 66996, 77778, 107938, 155556, 161907, 215876, 277289, 323814, 485721, 554578, 647628, 831867, 971442, 1109156, 1663734, 1942884, 2495601, 3327468, 4991202, 8041381, 9982404, 16082762, 24124143, 32165524, 48248286, 72372429, 96496572, 144744858, 289489716]

約数ペア:

[(1, 289489716), (2, 144744858), (3, 96496572), (4, 72372429), (6, 48248286), (9, 32165524), (12, 24124143), (18, 16082762), (29, 9982404), (36, 8041381), (58, 4991202), (87, 3327468), (116, 2495601), (149, 1942884), (174, 1663734), (261, 1109156), (298, 971442), (348, 831867), (447, 647628), (522, 554578), (596, 485721), (894, 323814), (1044, 277289), (1341, 215876), (1788, 161907), (1861, 155556), (2682, 107938), (3722, 77778), (4321, 66996), (5364, 53969), (5583, 51852), (7444, 38889), (8642, 33498), (11166, 25926), (12963, 22332), (16749, 17284)]