139453388

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{389}}^1$

素因数の和:554

約数の個数: 48

約数和(自身を含む): 265356000

約数和(自身を除く): 125902612

約数列:

[1, 2, 4, 19, 38, 53, 76, 89, 106, 178, 212, 356, 389, 778, 1007, 1556, 1691, 2014, 3382, 4028, 4717, 6764, 7391, 9434, 14782, 18868, 20617, 29564, 34621, 41234, 69242, 82468, 89623, 138484, 179246, 358492, 391723, 657799, 783446, 1315598, 1566892, 1834913, 2631196, 3669826, 7339652, 34863347, 69726694, 139453388]

約数ペア:

[(1, 139453388), (2, 69726694), (4, 34863347), (19, 7339652), (38, 3669826), (53, 2631196), (76, 1834913), (89, 1566892), (106, 1315598), (178, 783446), (212, 657799), (356, 391723), (389, 358492), (778, 179246), (1007, 138484), (1556, 89623), (1691, 82468), (2014, 69242), (3382, 41234), (4028, 34621), (4717, 29564), (6764, 20617), (7391, 18868), (9434, 14782)]