140991978

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{521}}^1$

素因数の和:639

約数の個数: 64

約数和(自身を含む): 308489472

約数和(自身を除く): 167497494

約数列:

[1, 2, 3, 6, 23, 37, 46, 53, 69, 74, 106, 111, 138, 159, 222, 318, 521, 851, 1042, 1219, 1563, 1702, 1961, 2438, 2553, 3126, 3657, 3922, 5106, 5883, 7314, 11766, 11983, 19277, 23966, 27613, 35949, 38554, 45103, 55226, 57831, 71898, 82839, 90206, 115662, 135309, 165678, 270618, 443371, 635099, 886742, 1021681, 1270198, 1330113, 1905297, 2043362, 2660226, 3065043, 3810594, 6130086, 23498663, 46997326, 70495989, 140991978]

約数ペア:

[(1, 140991978), (2, 70495989), (3, 46997326), (6, 23498663), (23, 6130086), (37, 3810594), (46, 3065043), (53, 2660226), (69, 2043362), (74, 1905297), (106, 1330113), (111, 1270198), (138, 1021681), (159, 886742), (222, 635099), (318, 443371), (521, 270618), (851, 165678), (1042, 135309), (1219, 115662), (1563, 90206), (1702, 82839), (1961, 71898), (2438, 57831), (2553, 55226), (3126, 45103), (3657, 38554), (3922, 35949), (5106, 27613), (5883, 23966), (7314, 19277), (11766, 11983)]