257977972

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{8219}}^1$

素因数の和:8308

約数の個数: 48

約数和(自身を含む): 552384000

約数和(自身を除く): 294406028

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 59, 76, 118, 133, 236, 266, 413, 532, 826, 1121, 1652, 2242, 4484, 7847, 8219, 15694, 16438, 31388, 32876, 57533, 115066, 156161, 230132, 312322, 484921, 624644, 969842, 1093127, 1939684, 2186254, 3394447, 4372508, 6788894, 9213499, 13577788, 18426998, 36853996, 64494493, 128988986, 257977972]

約数ペア:

[(1, 257977972), (2, 128988986), (4, 64494493), (7, 36853996), (14, 18426998), (19, 13577788), (28, 9213499), (38, 6788894), (59, 4372508), (76, 3394447), (118, 2186254), (133, 1939684), (236, 1093127), (266, 969842), (413, 624644), (532, 484921), (826, 312322), (1121, 230132), (1652, 156161), (2242, 115066), (4484, 57533), (7847, 32876), (8219, 31388), (15694, 16438)]