28640478

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^2\times {\mathrm{83}}^1\times {\mathrm{199}}^1$

素因数の和:321

約数の個数: 48

約数和(自身を含む): 61891200

約数和(自身を除く): 33250722

約数列:

[1, 2, 3, 6, 17, 34, 51, 83, 102, 166, 199, 249, 289, 398, 498, 578, 597, 867, 1194, 1411, 1734, 2822, 3383, 4233, 6766, 8466, 10149, 16517, 20298, 23987, 33034, 47974, 49551, 57511, 71961, 99102, 115022, 143922, 172533, 280789, 345066, 561578, 842367, 1684734, 4773413, 9546826, 14320239, 28640478]

約数ペア:

[(1, 28640478), (2, 14320239), (3, 9546826), (6, 4773413), (17, 1684734), (34, 842367), (51, 561578), (83, 345066), (102, 280789), (166, 172533), (199, 143922), (249, 115022), (289, 99102), (398, 71961), (498, 57511), (578, 49551), (597, 47974), (867, 33034), (1194, 23987), (1411, 20298), (1734, 16517), (2822, 10149), (3383, 8466), (4233, 6766)]