131293792

素因数分解:

$2^5\times 7^1\times {\mathrm{43}}^2\times {\mathrm{317}}^1$

素因数の和:420

約数の個数: 72

約数和(自身を含む): 303394896

約数和(自身を除く): 172101104

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 43, 56, 86, 112, 172, 224, 301, 317, 344, 602, 634, 688, 1204, 1268, 1376, 1849, 2219, 2408, 2536, 3698, 4438, 4816, 5072, 7396, 8876, 9632, 10144, 12943, 13631, 14792, 17752, 25886, 27262, 29584, 35504, 51772, 54524, 59168, 71008, 95417, 103544, 109048, 190834, 207088, 218096, 381668, 414176, 436192, 586133, 763336, 1172266, 1526672, 2344532, 3053344, 4102931, 4689064, 8205862, 9378128, 16411724, 18756256, 32823448, 65646896, 131293792]

約数ペア:

[(1, 131293792), (2, 65646896), (4, 32823448), (7, 18756256), (8, 16411724), (14, 9378128), (16, 8205862), (28, 4689064), (32, 4102931), (43, 3053344), (56, 2344532), (86, 1526672), (112, 1172266), (172, 763336), (224, 586133), (301, 436192), (317, 414176), (344, 381668), (602, 218096), (634, 207088), (688, 190834), (1204, 109048), (1268, 103544), (1376, 95417), (1849, 71008), (2219, 59168), (2408, 54524), (2536, 51772), (3698, 35504), (4438, 29584), (4816, 27262), (5072, 25886), (7396, 17752), (8876, 14792), (9632, 13631), (10144, 12943)]