280734464

素因数分解:

$2^8\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{257}}^1$

素因数の和:541

約数の個数: 72

約数和(自身を含む): 598017168

約数和(自身を除く): 317282704

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 251, 256, 257, 272, 502, 514, 544, 1004, 1028, 1088, 2008, 2056, 2176, 4016, 4112, 4267, 4352, 4369, 8032, 8224, 8534, 8738, 16064, 16448, 17068, 17476, 32128, 32896, 34136, 34952, 64256, 64507, 65792, 68272, 69904, 129014, 136544, 139808, 258028, 273088, 279616, 516056, 546176, 559232, 1032112, 1092352, 1096619, 1118464, 2064224, 2193238, 4128448, 4386476, 8256896, 8772952, 16513792, 17545904, 35091808, 70183616, 140367232, 280734464]

約数ペア:

[(1, 280734464), (2, 140367232), (4, 70183616), (8, 35091808), (16, 17545904), (17, 16513792), (32, 8772952), (34, 8256896), (64, 4386476), (68, 4128448), (128, 2193238), (136, 2064224), (251, 1118464), (256, 1096619), (257, 1092352), (272, 1032112), (502, 559232), (514, 546176), (544, 516056), (1004, 279616), (1028, 273088), (1088, 258028), (2008, 139808), (2056, 136544), (2176, 129014), (4016, 69904), (4112, 68272), (4267, 65792), (4352, 64507), (4369, 64256), (8032, 34952), (8224, 34136), (8534, 32896), (8738, 32128), (16064, 17476), (16448, 17068)]