291210528

素因数分解:

$2^5\times 3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{1997}}^1$

素因数の和:2055

約数の個数: 144

約数和(自身を含む): 918376704

約数和(自身を除く): 627166176

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 31, 32, 42, 48, 49, 56, 62, 84, 93, 96, 98, 112, 124, 147, 168, 186, 196, 217, 224, 248, 294, 336, 372, 392, 434, 496, 588, 651, 672, 744, 784, 868, 992, 1176, 1302, 1488, 1519, 1568, 1736, 1997, 2352, 2604, 2976, 3038, 3472, 3994, 4557, 4704, 5208, 5991, 6076, 6944, 7988, 9114, 10416, 11982, 12152, 13979, 15976, 18228, 20832, 23964, 24304, 27958, 31952, 36456, 41937, 47928, 48608, 55916, 61907, 63904, 72912, 83874, 95856, 97853, 111832, 123814, 145824, 167748, 185721, 191712, 195706, 223664, 247628, 293559, 335496, 371442, 391412, 433349, 447328, 495256, 587118, 670992, 742884, 782824, 866698, 990512, 1174236, 1300047, 1341984, 1485768, 1565648, 1733396, 1981024, 2348472, 2600094, 2971536, 3033443, 3131296, 3466792, 4696944, 5200188, 5943072, 6066886, 6933584, 9100329, 9393888, 10400376, 12133772, 13867168, 18200658, 20800752, 24267544, 36401316, 41601504, 48535088, 72802632, 97070176, 145605264, 291210528]

約数ペア:

[(1, 291210528), (2, 145605264), (3, 97070176), (4, 72802632), (6, 48535088), (7, 41601504), (8, 36401316), (12, 24267544), (14, 20800752), (16, 18200658), (21, 13867168), (24, 12133772), (28, 10400376), (31, 9393888), (32, 9100329), (42, 6933584), (48, 6066886), (49, 5943072), (56, 5200188), (62, 4696944), (84, 3466792), (93, 3131296), (96, 3033443), (98, 2971536), (112, 2600094), (124, 2348472), (147, 1981024), (168, 1733396), (186, 1565648), (196, 1485768), (217, 1341984), (224, 1300047), (248, 1174236), (294, 990512), (336, 866698), (372, 782824), (392, 742884), (434, 670992), (496, 587118), (588, 495256), (651, 447328), (672, 433349), (744, 391412), (784, 371442), (868, 335496), (992, 293559), (1176, 247628), (1302, 223664), (1488, 195706), (1519, 191712), (1568, 185721), (1736, 167748), (1997, 145824), (2352, 123814), (2604, 111832), (2976, 97853), (3038, 95856), (3472, 83874), (3994, 72912), (4557, 63904), (4704, 61907), (5208, 55916), (5991, 48608), (6076, 47928), (6944, 41937), (7988, 36456), (9114, 31952), (10416, 27958), (11982, 24304), (12152, 23964), (13979, 20832), (15976, 18228)]