217940128

素因数分解:

$2^5\times 7^1\times {\mathrm{47}}^1\times {\mathrm{127}}^1\times {\mathrm{163}}^1$

素因数の和:354

約数の個数: 96

約数和(自身を含む): 507838464

約数和(自身を除く): 289898336

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 47, 56, 94, 112, 127, 163, 188, 224, 254, 326, 329, 376, 508, 652, 658, 752, 889, 1016, 1141, 1304, 1316, 1504, 1778, 2032, 2282, 2608, 2632, 3556, 4064, 4564, 5216, 5264, 5969, 7112, 7661, 9128, 10528, 11938, 14224, 15322, 18256, 20701, 23876, 28448, 30644, 36512, 41402, 41783, 47752, 53627, 61288, 82804, 83566, 95504, 107254, 122576, 144907, 165608, 167132, 191008, 214508, 245152, 289814, 331216, 334264, 429016, 579628, 662432, 668528, 858032, 972947, 1159256, 1337056, 1716064, 1945894, 2318512, 3891788, 4637024, 6810629, 7783576, 13621258, 15567152, 27242516, 31134304, 54485032, 108970064, 217940128]

約数ペア:

[(1, 217940128), (2, 108970064), (4, 54485032), (7, 31134304), (8, 27242516), (14, 15567152), (16, 13621258), (28, 7783576), (32, 6810629), (47, 4637024), (56, 3891788), (94, 2318512), (112, 1945894), (127, 1716064), (163, 1337056), (188, 1159256), (224, 972947), (254, 858032), (326, 668528), (329, 662432), (376, 579628), (508, 429016), (652, 334264), (658, 331216), (752, 289814), (889, 245152), (1016, 214508), (1141, 191008), (1304, 167132), (1316, 165608), (1504, 144907), (1778, 122576), (2032, 107254), (2282, 95504), (2608, 83566), (2632, 82804), (3556, 61288), (4064, 53627), (4564, 47752), (5216, 41783), (5264, 41402), (5969, 36512), (7112, 30644), (7661, 28448), (9128, 23876), (10528, 20701), (11938, 18256), (14224, 15322)]