785356728

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{81199}}^1$

素因数の和:81252

約数の個数: 64

約数和(自身を含む): 2182656000

約数和(自身を除く): 1397299272

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 31, 39, 52, 62, 78, 93, 104, 124, 156, 186, 248, 312, 372, 403, 744, 806, 1209, 1612, 2418, 3224, 4836, 9672, 81199, 162398, 243597, 324796, 487194, 649592, 974388, 1055587, 1948776, 2111174, 2517169, 3166761, 4222348, 5034338, 6333522, 7551507, 8444696, 10068676, 12667044, 15103014, 20137352, 25334088, 30206028, 32723197, 60412056, 65446394, 98169591, 130892788, 196339182, 261785576, 392678364, 785356728]

約数ペア:

[(1, 785356728), (2, 392678364), (3, 261785576), (4, 196339182), (6, 130892788), (8, 98169591), (12, 65446394), (13, 60412056), (24, 32723197), (26, 30206028), (31, 25334088), (39, 20137352), (52, 15103014), (62, 12667044), (78, 10068676), (93, 8444696), (104, 7551507), (124, 6333522), (156, 5034338), (186, 4222348), (248, 3166761), (312, 2517169), (372, 2111174), (403, 1948776), (744, 1055587), (806, 974388), (1209, 649592), (1612, 487194), (2418, 324796), (3224, 243597), (4836, 162398), (9672, 81199)]