25213818

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{163}}^1$

素因数の和:331

約数の個数: 64

約数和(自身を含む): 60456960

約数和(自身を除く): 35243142

約数列:

[1, 2, 3, 6, 7, 14, 21, 29, 42, 58, 87, 127, 163, 174, 203, 254, 326, 381, 406, 489, 609, 762, 889, 978, 1141, 1218, 1778, 2282, 2667, 3423, 3683, 4727, 5334, 6846, 7366, 9454, 11049, 14181, 20701, 22098, 25781, 28362, 33089, 41402, 51562, 62103, 66178, 77343, 99267, 124206, 144907, 154686, 198534, 289814, 434721, 600329, 869442, 1200658, 1800987, 3601974, 4202303, 8404606, 12606909, 25213818]

約数ペア:

[(1, 25213818), (2, 12606909), (3, 8404606), (6, 4202303), (7, 3601974), (14, 1800987), (21, 1200658), (29, 869442), (42, 600329), (58, 434721), (87, 289814), (127, 198534), (163, 154686), (174, 144907), (203, 124206), (254, 99267), (326, 77343), (381, 66178), (406, 62103), (489, 51562), (609, 41402), (762, 33089), (889, 28362), (978, 25781), (1141, 22098), (1218, 20701), (1778, 14181), (2282, 11049), (2667, 9454), (3423, 7366), (3683, 6846), (4727, 5334)]