79961778

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{20101}}^1$

素因数の和:20139

約数の個数: 48

約数和(自身を含む): 197562456

約数和(自身を除く): 117600678

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 39, 51, 78, 102, 117, 153, 221, 234, 306, 442, 663, 1326, 1989, 3978, 20101, 40202, 60303, 120606, 180909, 261313, 341717, 361818, 522626, 683434, 783939, 1025151, 1567878, 2050302, 2351817, 3075453, 4442321, 4703634, 6150906, 8884642, 13326963, 26653926, 39980889, 79961778]

約数ペア:

[(1, 79961778), (2, 39980889), (3, 26653926), (6, 13326963), (9, 8884642), (13, 6150906), (17, 4703634), (18, 4442321), (26, 3075453), (34, 2351817), (39, 2050302), (51, 1567878), (78, 1025151), (102, 783939), (117, 683434), (153, 522626), (221, 361818), (234, 341717), (306, 261313), (442, 180909), (663, 120606), (1326, 60303), (1989, 40202), (3978, 20101)]