2009404878

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{617}}^1\times {\mathrm{971}}^1$

素因数の和:1649

約数の個数: 64

約数和(自身を含む): 4440344832

約数和(自身を除く): 2430939954

約数列:

[1, 2, 3, 6, 13, 26, 39, 43, 78, 86, 129, 258, 559, 617, 971, 1118, 1234, 1677, 1851, 1942, 2913, 3354, 3702, 5826, 8021, 12623, 16042, 24063, 25246, 26531, 37869, 41753, 48126, 53062, 75738, 79593, 83506, 125259, 159186, 250518, 344903, 542789, 599107, 689806, 1034709, 1085578, 1198214, 1628367, 1797321, 2069418, 3256734, 3594642, 7788391, 15576782, 23365173, 25761601, 46730346, 51523202, 77284803, 154569606, 334900813, 669801626, 1004702439, 2009404878]

約数ペア:

[(1, 2009404878), (2, 1004702439), (3, 669801626), (6, 334900813), (13, 154569606), (26, 77284803), (39, 51523202), (43, 46730346), (78, 25761601), (86, 23365173), (129, 15576782), (258, 7788391), (559, 3594642), (617, 3256734), (971, 2069418), (1118, 1797321), (1234, 1628367), (1677, 1198214), (1851, 1085578), (1942, 1034709), (2913, 689806), (3354, 599107), (3702, 542789), (5826, 344903), (8021, 250518), (12623, 159186), (16042, 125259), (24063, 83506), (25246, 79593), (26531, 75738), (37869, 53062), (41753, 48126)]