28991448

素因数分解:

$2^3\times 3^2\times {\mathrm{31}}^2\times {\mathrm{419}}^1$

素因数の和:493

約数の個数: 72

約数和(自身を含む): 81326700

約数和(自身を除く): 52335252

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 31, 36, 62, 72, 93, 124, 186, 248, 279, 372, 419, 558, 744, 838, 961, 1116, 1257, 1676, 1922, 2232, 2514, 2883, 3352, 3771, 3844, 5028, 5766, 7542, 7688, 8649, 10056, 11532, 12989, 15084, 17298, 23064, 25978, 30168, 34596, 38967, 51956, 69192, 77934, 103912, 116901, 155868, 233802, 311736, 402659, 467604, 805318, 935208, 1207977, 1610636, 2415954, 3221272, 3623931, 4831908, 7247862, 9663816, 14495724, 28991448]

約数ペア:

[(1, 28991448), (2, 14495724), (3, 9663816), (4, 7247862), (6, 4831908), (8, 3623931), (9, 3221272), (12, 2415954), (18, 1610636), (24, 1207977), (31, 935208), (36, 805318), (62, 467604), (72, 402659), (93, 311736), (124, 233802), (186, 155868), (248, 116901), (279, 103912), (372, 77934), (419, 69192), (558, 51956), (744, 38967), (838, 34596), (961, 30168), (1116, 25978), (1257, 23064), (1676, 17298), (1922, 15084), (2232, 12989), (2514, 11532), (2883, 10056), (3352, 8649), (3771, 7688), (3844, 7542), (5028, 5766)]