78215452

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1\times {\mathrm{389}}^1$

素因数の和:610

約数の個数: 48

約数和(自身を含む): 161441280

約数和(自身を除く): 83225828

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 167, 172, 301, 334, 389, 602, 668, 778, 1169, 1204, 1556, 2338, 2723, 4676, 5446, 7181, 10892, 14362, 16727, 28724, 33454, 50267, 64963, 66908, 100534, 117089, 129926, 201068, 234178, 259852, 454741, 468356, 909482, 1818964, 2793409, 5586818, 11173636, 19553863, 39107726, 78215452]

約数ペア:

[(1, 78215452), (2, 39107726), (4, 19553863), (7, 11173636), (14, 5586818), (28, 2793409), (43, 1818964), (86, 909482), (167, 468356), (172, 454741), (301, 259852), (334, 234178), (389, 201068), (602, 129926), (668, 117089), (778, 100534), (1169, 66908), (1204, 64963), (1556, 50267), (2338, 33454), (2723, 28724), (4676, 16727), (5446, 14362), (7181, 10892)]