1980204696

素因数分解:

$2^3\times 3^2\times {\mathrm{43}}^1\times {\mathrm{639601}}^1$

素因数の和:639656

約数の個数: 48

約数和(自身を含む): 5487785160

約数和(自身を除く): 3507580464

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 43, 72, 86, 129, 172, 258, 344, 387, 516, 774, 1032, 1548, 3096, 639601, 1279202, 1918803, 2558404, 3837606, 5116808, 5756409, 7675212, 11512818, 15350424, 23025636, 27502843, 46051272, 55005686, 82508529, 110011372, 165017058, 220022744, 247525587, 330034116, 495051174, 660068232, 990102348, 1980204696]

約数ペア:

[(1, 1980204696), (2, 990102348), (3, 660068232), (4, 495051174), (6, 330034116), (8, 247525587), (9, 220022744), (12, 165017058), (18, 110011372), (24, 82508529), (36, 55005686), (43, 46051272), (72, 27502843), (86, 23025636), (129, 15350424), (172, 11512818), (258, 7675212), (344, 5756409), (387, 5116808), (516, 3837606), (774, 2558404), (1032, 1918803), (1548, 1279202), (3096, 639601)]