81902464

素因数分解:

$2^7\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{283}}^1$

素因数の和:340

約数の個数: 128

約数和(自身を含む): 208569600

約数和(自身を除く): 126667136

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 19, 28, 32, 34, 38, 56, 64, 68, 76, 112, 119, 128, 133, 136, 152, 224, 238, 266, 272, 283, 304, 323, 448, 476, 532, 544, 566, 608, 646, 896, 952, 1064, 1088, 1132, 1216, 1292, 1904, 1981, 2128, 2176, 2261, 2264, 2432, 2584, 3808, 3962, 4256, 4522, 4528, 4811, 5168, 5377, 7616, 7924, 8512, 9044, 9056, 9622, 10336, 10754, 15232, 15848, 17024, 18088, 18112, 19244, 20672, 21508, 31696, 33677, 36176, 36224, 37639, 38488, 41344, 43016, 63392, 67354, 72352, 75278, 76976, 86032, 91409, 126784, 134708, 144704, 150556, 153952, 172064, 182818, 253568, 269416, 289408, 301112, 307904, 344128, 365636, 538832, 602224, 615808, 639863, 688256, 731272, 1077664, 1204448, 1279726, 1462544, 2155328, 2408896, 2559452, 2925088, 4310656, 4817792, 5118904, 5850176, 10237808, 11700352, 20475616, 40951232, 81902464]

約数ペア:

[(1, 81902464), (2, 40951232), (4, 20475616), (7, 11700352), (8, 10237808), (14, 5850176), (16, 5118904), (17, 4817792), (19, 4310656), (28, 2925088), (32, 2559452), (34, 2408896), (38, 2155328), (56, 1462544), (64, 1279726), (68, 1204448), (76, 1077664), (112, 731272), (119, 688256), (128, 639863), (133, 615808), (136, 602224), (152, 538832), (224, 365636), (238, 344128), (266, 307904), (272, 301112), (283, 289408), (304, 269416), (323, 253568), (448, 182818), (476, 172064), (532, 153952), (544, 150556), (566, 144704), (608, 134708), (646, 126784), (896, 91409), (952, 86032), (1064, 76976), (1088, 75278), (1132, 72352), (1216, 67354), (1292, 63392), (1904, 43016), (1981, 41344), (2128, 38488), (2176, 37639), (2261, 36224), (2264, 36176), (2432, 33677), (2584, 31696), (3808, 21508), (3962, 20672), (4256, 19244), (4522, 18112), (4528, 18088), (4811, 17024), (5168, 15848), (5377, 15232), (7616, 10754), (7924, 10336), (8512, 9622), (9044, 9056)]