78990804

素因数分解:

$2^2\times 3^2\times {\mathrm{211}}^1\times {\mathrm{10399}}^1$

素因数の和:10620

約数の個数: 36

約数和(自身を含む): 200636800

約数和(自身を除く): 121645996

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 211, 422, 633, 844, 1266, 1899, 2532, 3798, 7596, 10399, 20798, 31197, 41596, 62394, 93591, 124788, 187182, 374364, 2194189, 4388378, 6582567, 8776756, 13165134, 19747701, 26330268, 39495402, 78990804]

約数ペア:

[(1, 78990804), (2, 39495402), (3, 26330268), (4, 19747701), (6, 13165134), (9, 8776756), (12, 6582567), (18, 4388378), (36, 2194189), (211, 374364), (422, 187182), (633, 124788), (844, 93591), (1266, 62394), (1899, 41596), (2532, 31197), (3798, 20798), (7596, 10399)]