28212444

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2621}}^1$

素因数の和:2667

約数の個数: 72

約数和(自身を含む): 80170272

約数和(自身を除く): 51957828

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 23, 26, 36, 39, 46, 52, 69, 78, 92, 117, 138, 156, 207, 234, 276, 299, 414, 468, 598, 828, 897, 1196, 1794, 2621, 2691, 3588, 5242, 5382, 7863, 10484, 10764, 15726, 23589, 31452, 34073, 47178, 60283, 68146, 94356, 102219, 120566, 136292, 180849, 204438, 241132, 306657, 361698, 408876, 542547, 613314, 723396, 783679, 1085094, 1226628, 1567358, 2170188, 2351037, 3134716, 4702074, 7053111, 9404148, 14106222, 28212444]

約数ペア:

[(1, 28212444), (2, 14106222), (3, 9404148), (4, 7053111), (6, 4702074), (9, 3134716), (12, 2351037), (13, 2170188), (18, 1567358), (23, 1226628), (26, 1085094), (36, 783679), (39, 723396), (46, 613314), (52, 542547), (69, 408876), (78, 361698), (92, 306657), (117, 241132), (138, 204438), (156, 180849), (207, 136292), (234, 120566), (276, 102219), (299, 94356), (414, 68146), (468, 60283), (598, 47178), (828, 34073), (897, 31452), (1196, 23589), (1794, 15726), (2621, 10764), (2691, 10484), (3588, 7863), (5242, 5382)]