247430964

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1$

素因数の和:322

約数の個数: 144

約数和(自身を含む): 686407680

約数和(自身を除く): 438976716

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 23, 31, 33, 44, 46, 62, 66, 69, 92, 93, 121, 124, 132, 138, 186, 239, 242, 253, 276, 341, 363, 372, 478, 484, 506, 682, 713, 717, 726, 759, 956, 1012, 1023, 1364, 1426, 1434, 1452, 1518, 2046, 2139, 2629, 2783, 2852, 2868, 3036, 3751, 4092, 4278, 5258, 5497, 5566, 7409, 7502, 7843, 7887, 8349, 8556, 10516, 10994, 11132, 11253, 14818, 15004, 15686, 15774, 16491, 16698, 21988, 22227, 22506, 23529, 28919, 29636, 31372, 31548, 32982, 33396, 44454, 45012, 47058, 57838, 60467, 65964, 81499, 86273, 86757, 88908, 94116, 115676, 120934, 162998, 170407, 172546, 173514, 181401, 241868, 244497, 258819, 325996, 340814, 345092, 347028, 362802, 488994, 511221, 517638, 665137, 681628, 725604, 896489, 977988, 1022442, 1035276, 1330274, 1792978, 1874477, 1995411, 2044884, 2660548, 2689467, 3585956, 3748954, 3990822, 5378934, 5623431, 7497908, 7981644, 10757868, 11246862, 20619247, 22493724, 41238494, 61857741, 82476988, 123715482, 247430964]

約数ペア:

[(1, 247430964), (2, 123715482), (3, 82476988), (4, 61857741), (6, 41238494), (11, 22493724), (12, 20619247), (22, 11246862), (23, 10757868), (31, 7981644), (33, 7497908), (44, 5623431), (46, 5378934), (62, 3990822), (66, 3748954), (69, 3585956), (92, 2689467), (93, 2660548), (121, 2044884), (124, 1995411), (132, 1874477), (138, 1792978), (186, 1330274), (239, 1035276), (242, 1022442), (253, 977988), (276, 896489), (341, 725604), (363, 681628), (372, 665137), (478, 517638), (484, 511221), (506, 488994), (682, 362802), (713, 347028), (717, 345092), (726, 340814), (759, 325996), (956, 258819), (1012, 244497), (1023, 241868), (1364, 181401), (1426, 173514), (1434, 172546), (1452, 170407), (1518, 162998), (2046, 120934), (2139, 115676), (2629, 94116), (2783, 88908), (2852, 86757), (2868, 86273), (3036, 81499), (3751, 65964), (4092, 60467), (4278, 57838), (5258, 47058), (5497, 45012), (5566, 44454), (7409, 33396), (7502, 32982), (7843, 31548), (7887, 31372), (8349, 29636), (8556, 28919), (10516, 23529), (10994, 22506), (11132, 22227), (11253, 21988), (14818, 16698), (15004, 16491), (15686, 15774)]