257289088

素因数分解:

$2^7\times 7^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{157}}^1$

素因数の和:268

約数の個数: 128

約数和(自身を含む): 618854400

約数和(自身を除く): 361565312

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 59, 62, 64, 112, 118, 124, 128, 157, 217, 224, 236, 248, 314, 413, 434, 448, 472, 496, 628, 826, 868, 896, 944, 992, 1099, 1256, 1652, 1736, 1829, 1888, 1984, 2198, 2512, 3304, 3472, 3658, 3776, 3968, 4396, 4867, 5024, 6608, 6944, 7316, 7552, 8792, 9263, 9734, 10048, 12803, 13216, 13888, 14632, 17584, 18526, 19468, 20096, 25606, 26432, 27776, 29264, 34069, 35168, 37052, 38936, 51212, 52864, 58528, 64841, 68138, 70336, 74104, 77872, 102424, 117056, 129682, 136276, 140672, 148208, 155744, 204848, 234112, 259364, 272552, 287153, 296416, 311488, 409696, 518728, 545104, 574306, 592832, 622976, 819392, 1037456, 1090208, 1148612, 1185664, 1638784, 2010071, 2074912, 2180416, 2297224, 4020142, 4149824, 4360832, 4594448, 8040284, 8299648, 9188896, 16080568, 18377792, 32161136, 36755584, 64322272, 128644544, 257289088]

約数ペア:

[(1, 257289088), (2, 128644544), (4, 64322272), (7, 36755584), (8, 32161136), (14, 18377792), (16, 16080568), (28, 9188896), (31, 8299648), (32, 8040284), (56, 4594448), (59, 4360832), (62, 4149824), (64, 4020142), (112, 2297224), (118, 2180416), (124, 2074912), (128, 2010071), (157, 1638784), (217, 1185664), (224, 1148612), (236, 1090208), (248, 1037456), (314, 819392), (413, 622976), (434, 592832), (448, 574306), (472, 545104), (496, 518728), (628, 409696), (826, 311488), (868, 296416), (896, 287153), (944, 272552), (992, 259364), (1099, 234112), (1256, 204848), (1652, 155744), (1736, 148208), (1829, 140672), (1888, 136276), (1984, 129682), (2198, 117056), (2512, 102424), (3304, 77872), (3472, 74104), (3658, 70336), (3776, 68138), (3968, 64841), (4396, 58528), (4867, 52864), (5024, 51212), (6608, 38936), (6944, 37052), (7316, 35168), (7552, 34069), (8792, 29264), (9263, 27776), (9734, 26432), (10048, 25606), (12803, 20096), (13216, 19468), (13888, 18526), (14632, 17584)]