218541568

素因数分解:

$2^9\times 7^2\times {\mathrm{31}}^1\times {\mathrm{281}}^1$

素因数の和:344

約数の個数: 120

約数和(自身を含む): 526198464

約数和(自身を除く): 307656896

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 49, 56, 62, 64, 98, 112, 124, 128, 196, 217, 224, 248, 256, 281, 392, 434, 448, 496, 512, 562, 784, 868, 896, 992, 1124, 1519, 1568, 1736, 1792, 1967, 1984, 2248, 3038, 3136, 3472, 3584, 3934, 3968, 4496, 6076, 6272, 6944, 7868, 7936, 8711, 8992, 12152, 12544, 13769, 13888, 15736, 15872, 17422, 17984, 24304, 25088, 27538, 27776, 31472, 34844, 35968, 48608, 55076, 55552, 60977, 62944, 69688, 71936, 97216, 110152, 111104, 121954, 125888, 139376, 143872, 194432, 220304, 243908, 251776, 278752, 388864, 426839, 440608, 487816, 503552, 557504, 777728, 853678, 881216, 975632, 1007104, 1115008, 1707356, 1762432, 1951264, 2230016, 3414712, 3524864, 3902528, 4460032, 6829424, 7049728, 7805056, 13658848, 15610112, 27317696, 31220224, 54635392, 109270784, 218541568]

約数ペア:

[(1, 218541568), (2, 109270784), (4, 54635392), (7, 31220224), (8, 27317696), (14, 15610112), (16, 13658848), (28, 7805056), (31, 7049728), (32, 6829424), (49, 4460032), (56, 3902528), (62, 3524864), (64, 3414712), (98, 2230016), (112, 1951264), (124, 1762432), (128, 1707356), (196, 1115008), (217, 1007104), (224, 975632), (248, 881216), (256, 853678), (281, 777728), (392, 557504), (434, 503552), (448, 487816), (496, 440608), (512, 426839), (562, 388864), (784, 278752), (868, 251776), (896, 243908), (992, 220304), (1124, 194432), (1519, 143872), (1568, 139376), (1736, 125888), (1792, 121954), (1967, 111104), (1984, 110152), (2248, 97216), (3038, 71936), (3136, 69688), (3472, 62944), (3584, 60977), (3934, 55552), (3968, 55076), (4496, 48608), (6076, 35968), (6272, 34844), (6944, 31472), (7868, 27776), (7936, 27538), (8711, 25088), (8992, 24304), (12152, 17984), (12544, 17422), (13769, 15872), (13888, 15736)]