251557568

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{283}}^1$

素因数の和:374

約数の個数: 112

約数和(自身を含む): 571317120

約数和(自身を除く): 319759552

約数列:

[1, 2, 4, 8, 16, 17, 19, 32, 34, 38, 43, 64, 68, 76, 86, 136, 152, 172, 272, 283, 304, 323, 344, 544, 566, 608, 646, 688, 731, 817, 1088, 1132, 1216, 1292, 1376, 1462, 1634, 2264, 2584, 2752, 2924, 3268, 4528, 4811, 5168, 5377, 5848, 6536, 9056, 9622, 10336, 10754, 11696, 12169, 13072, 13889, 18112, 19244, 20672, 21508, 23392, 24338, 26144, 27778, 38488, 43016, 46784, 48676, 52288, 55556, 76976, 86032, 91409, 97352, 111112, 153952, 172064, 182818, 194704, 206873, 222224, 231211, 307904, 344128, 365636, 389408, 413746, 444448, 462422, 731272, 778816, 827492, 888896, 924844, 1462544, 1654984, 1849688, 2925088, 3309968, 3699376, 3930587, 5850176, 6619936, 7398752, 7861174, 13239872, 14797504, 15722348, 31444696, 62889392, 125778784, 251557568]

約数ペア:

[(1, 251557568), (2, 125778784), (4, 62889392), (8, 31444696), (16, 15722348), (17, 14797504), (19, 13239872), (32, 7861174), (34, 7398752), (38, 6619936), (43, 5850176), (64, 3930587), (68, 3699376), (76, 3309968), (86, 2925088), (136, 1849688), (152, 1654984), (172, 1462544), (272, 924844), (283, 888896), (304, 827492), (323, 778816), (344, 731272), (544, 462422), (566, 444448), (608, 413746), (646, 389408), (688, 365636), (731, 344128), (817, 307904), (1088, 231211), (1132, 222224), (1216, 206873), (1292, 194704), (1376, 182818), (1462, 172064), (1634, 153952), (2264, 111112), (2584, 97352), (2752, 91409), (2924, 86032), (3268, 76976), (4528, 55556), (4811, 52288), (5168, 48676), (5377, 46784), (5848, 43016), (6536, 38488), (9056, 27778), (9622, 26144), (10336, 24338), (10754, 23392), (11696, 21508), (12169, 20672), (13072, 19244), (13889, 18112)]