257732512

素因数分解:

$2^5\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{31}}^2$

素因数の和:135

約数の個数: 108

約数和(自身を含む): 576168390

約数和(自身を除く): 318435878

約数列:

[1, 2, 4, 8, 16, 17, 29, 31, 32, 34, 58, 62, 68, 116, 124, 136, 232, 248, 272, 289, 464, 493, 496, 527, 544, 578, 899, 928, 961, 986, 992, 1054, 1156, 1798, 1922, 1972, 2108, 2312, 3596, 3844, 3944, 4216, 4624, 7192, 7688, 7888, 8381, 8432, 8959, 9248, 14384, 15283, 15376, 15776, 16337, 16762, 16864, 17918, 27869, 28768, 30566, 30752, 32674, 33524, 35836, 55738, 61132, 65348, 67048, 71672, 111476, 122264, 130696, 134096, 143344, 222952, 244528, 259811, 261392, 268192, 277729, 286688, 445904, 473773, 489056, 519622, 522784, 555458, 891808, 947546, 1039244, 1110916, 1895092, 2078488, 2221832, 3790184, 4156976, 4443664, 7580368, 8054141, 8313952, 8887328, 15160736, 16108282, 32216564, 64433128, 128866256, 257732512]

約数ペア:

[(1, 257732512), (2, 128866256), (4, 64433128), (8, 32216564), (16, 16108282), (17, 15160736), (29, 8887328), (31, 8313952), (32, 8054141), (34, 7580368), (58, 4443664), (62, 4156976), (68, 3790184), (116, 2221832), (124, 2078488), (136, 1895092), (232, 1110916), (248, 1039244), (272, 947546), (289, 891808), (464, 555458), (493, 522784), (496, 519622), (527, 489056), (544, 473773), (578, 445904), (899, 286688), (928, 277729), (961, 268192), (986, 261392), (992, 259811), (1054, 244528), (1156, 222952), (1798, 143344), (1922, 134096), (1972, 130696), (2108, 122264), (2312, 111476), (3596, 71672), (3844, 67048), (3944, 65348), (4216, 61132), (4624, 55738), (7192, 35836), (7688, 33524), (7888, 32674), (8381, 30752), (8432, 30566), (8959, 28768), (9248, 27869), (14384, 17918), (15283, 16864), (15376, 16762), (15776, 16337)]