2390778

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{601}}^1$

素因数の和:639

約数の個数: 48

約数和(自身を含む): 5916456

約数和(自身を除く): 3525678

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 39, 51, 78, 102, 117, 153, 221, 234, 306, 442, 601, 663, 1202, 1326, 1803, 1989, 3606, 3978, 5409, 7813, 10217, 10818, 15626, 20434, 23439, 30651, 46878, 61302, 70317, 91953, 132821, 140634, 183906, 265642, 398463, 796926, 1195389, 2390778]

約数ペア:

[(1, 2390778), (2, 1195389), (3, 796926), (6, 398463), (9, 265642), (13, 183906), (17, 140634), (18, 132821), (26, 91953), (34, 70317), (39, 61302), (51, 46878), (78, 30651), (102, 23439), (117, 20434), (153, 15626), (221, 10818), (234, 10217), (306, 7813), (442, 5409), (601, 3978), (663, 3606), (1202, 1989), (1326, 1803)]