249681906

素因数分解:

$2^1\times 3^3\times {\mathrm{61}}^1\times {\mathrm{229}}^1\times {\mathrm{331}}^1$

素因数の和:632

約数の個数: 64

約数和(自身を含む): 568118400

約数和(自身を除く): 318436494

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 61, 122, 183, 229, 331, 366, 458, 549, 662, 687, 993, 1098, 1374, 1647, 1986, 2061, 2979, 3294, 4122, 5958, 6183, 8937, 12366, 13969, 17874, 20191, 27938, 40382, 41907, 60573, 75799, 83814, 121146, 125721, 151598, 181719, 227397, 251442, 363438, 377163, 454794, 545157, 682191, 754326, 1090314, 1364382, 2046573, 4093146, 4623739, 9247478, 13871217, 27742434, 41613651, 83227302, 124840953, 249681906]

約数ペア:

[(1, 249681906), (2, 124840953), (3, 83227302), (6, 41613651), (9, 27742434), (18, 13871217), (27, 9247478), (54, 4623739), (61, 4093146), (122, 2046573), (183, 1364382), (229, 1090314), (331, 754326), (366, 682191), (458, 545157), (549, 454794), (662, 377163), (687, 363438), (993, 251442), (1098, 227397), (1374, 181719), (1647, 151598), (1986, 125721), (2061, 121146), (2979, 83814), (3294, 75799), (4122, 60573), (5958, 41907), (6183, 40382), (8937, 27938), (12366, 20191), (13969, 17874)]