28865144

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{997}}^1$

素因数の和:1068

約数の個数: 64

約数和(自身を含む): 68981760

約数和(自身を除く): 40116616

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 47, 56, 77, 88, 94, 154, 188, 308, 329, 376, 517, 616, 658, 997, 1034, 1316, 1994, 2068, 2632, 3619, 3988, 4136, 6979, 7238, 7976, 10967, 13958, 14476, 21934, 27916, 28952, 43868, 46859, 55832, 76769, 87736, 93718, 153538, 187436, 307076, 328013, 374872, 515449, 614152, 656026, 1030898, 1312052, 2061796, 2624104, 3608143, 4123592, 7216286, 14432572, 28865144]

約数ペア:

[(1, 28865144), (2, 14432572), (4, 7216286), (7, 4123592), (8, 3608143), (11, 2624104), (14, 2061796), (22, 1312052), (28, 1030898), (44, 656026), (47, 614152), (56, 515449), (77, 374872), (88, 328013), (94, 307076), (154, 187436), (188, 153538), (308, 93718), (329, 87736), (376, 76769), (517, 55832), (616, 46859), (658, 43868), (997, 28952), (1034, 27916), (1316, 21934), (1994, 14476), (2068, 13958), (2632, 10967), (3619, 7976), (3988, 7238), (4136, 6979)]