28356272

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{281}}^1$

素因数の和:366

約数の個数: 80

約数和(自身を含む): 67977792

約数和(自身を除く): 39621520

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 53, 56, 68, 106, 112, 119, 136, 212, 238, 272, 281, 371, 424, 476, 562, 742, 848, 901, 952, 1124, 1484, 1802, 1904, 1967, 2248, 2968, 3604, 3934, 4496, 4777, 5936, 6307, 7208, 7868, 9554, 12614, 14416, 14893, 15736, 19108, 25228, 29786, 31472, 33439, 38216, 50456, 59572, 66878, 76432, 100912, 104251, 119144, 133756, 208502, 238288, 253181, 267512, 417004, 506362, 535024, 834008, 1012724, 1668016, 1772267, 2025448, 3544534, 4050896, 7089068, 14178136, 28356272]

約数ペア:

[(1, 28356272), (2, 14178136), (4, 7089068), (7, 4050896), (8, 3544534), (14, 2025448), (16, 1772267), (17, 1668016), (28, 1012724), (34, 834008), (53, 535024), (56, 506362), (68, 417004), (106, 267512), (112, 253181), (119, 238288), (136, 208502), (212, 133756), (238, 119144), (272, 104251), (281, 100912), (371, 76432), (424, 66878), (476, 59572), (562, 50456), (742, 38216), (848, 33439), (901, 31472), (952, 29786), (1124, 25228), (1484, 19108), (1802, 15736), (1904, 14893), (1967, 14416), (2248, 12614), (2968, 9554), (3604, 7868), (3934, 7208), (4496, 6307), (4777, 5936)]