257161856

素因数分解:

$2^7\times 7^1\times {\mathrm{17}}^1\times {\mathrm{16883}}^1$

素因数の和:16921

約数の個数: 64

約数和(自身を含む): 619980480

約数和(自身を除く): 362818624

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 64, 68, 112, 119, 128, 136, 224, 238, 272, 448, 476, 544, 896, 952, 1088, 1904, 2176, 3808, 7616, 15232, 16883, 33766, 67532, 118181, 135064, 236362, 270128, 287011, 472724, 540256, 574022, 945448, 1080512, 1148044, 1890896, 2009077, 2161024, 2296088, 3781792, 4018154, 4592176, 7563584, 8036308, 9184352, 15127168, 16072616, 18368704, 32145232, 36737408, 64290464, 128580928, 257161856]

約数ペア:

[(1, 257161856), (2, 128580928), (4, 64290464), (7, 36737408), (8, 32145232), (14, 18368704), (16, 16072616), (17, 15127168), (28, 9184352), (32, 8036308), (34, 7563584), (56, 4592176), (64, 4018154), (68, 3781792), (112, 2296088), (119, 2161024), (128, 2009077), (136, 1890896), (224, 1148044), (238, 1080512), (272, 945448), (448, 574022), (476, 540256), (544, 472724), (896, 287011), (952, 270128), (1088, 236362), (1904, 135064), (2176, 118181), (3808, 67532), (7616, 33766), (15232, 16883)]