259497728

素因数分解:

$2^8\times 7^2\times {\mathrm{137}}^1\times {\mathrm{151}}^1$

素因数の和:318

約数の個数: 108

約数和(自身を含む): 610967952

約数和(自身を除く): 351470224

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 137, 151, 196, 224, 256, 274, 302, 392, 448, 548, 604, 784, 896, 959, 1057, 1096, 1208, 1568, 1792, 1918, 2114, 2192, 2416, 3136, 3836, 4228, 4384, 4832, 6272, 6713, 7399, 7672, 8456, 8768, 9664, 12544, 13426, 14798, 15344, 16912, 17536, 19328, 20687, 26852, 29596, 30688, 33824, 35072, 38656, 41374, 53704, 59192, 61376, 67648, 82748, 107408, 118384, 122752, 135296, 144809, 165496, 214816, 236768, 245504, 270592, 289618, 330992, 429632, 473536, 579236, 661984, 859264, 947072, 1013663, 1158472, 1323968, 1718528, 1894144, 2027326, 2316944, 2647936, 4054652, 4633888, 5295872, 8109304, 9267776, 16218608, 18535552, 32437216, 37071104, 64874432, 129748864, 259497728]

約数ペア:

[(1, 259497728), (2, 129748864), (4, 64874432), (7, 37071104), (8, 32437216), (14, 18535552), (16, 16218608), (28, 9267776), (32, 8109304), (49, 5295872), (56, 4633888), (64, 4054652), (98, 2647936), (112, 2316944), (128, 2027326), (137, 1894144), (151, 1718528), (196, 1323968), (224, 1158472), (256, 1013663), (274, 947072), (302, 859264), (392, 661984), (448, 579236), (548, 473536), (604, 429632), (784, 330992), (896, 289618), (959, 270592), (1057, 245504), (1096, 236768), (1208, 214816), (1568, 165496), (1792, 144809), (1918, 135296), (2114, 122752), (2192, 118384), (2416, 107408), (3136, 82748), (3836, 67648), (4228, 61376), (4384, 59192), (4832, 53704), (6272, 41374), (6713, 38656), (7399, 35072), (7672, 33824), (8456, 30688), (8768, 29596), (9664, 26852), (12544, 20687), (13426, 19328), (14798, 17536), (15344, 16912)]