28472108

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{491}}^1$

素因数の和:630

約数の個数: 48

約数和(自身を含む): 60614400

約数和(自身を除く): 32142292

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 109, 133, 218, 266, 436, 491, 532, 763, 982, 1526, 1964, 2071, 3052, 3437, 4142, 6874, 8284, 9329, 13748, 14497, 18658, 28994, 37316, 53519, 57988, 65303, 107038, 130606, 214076, 261212, 374633, 749266, 1016861, 1498532, 2033722, 4067444, 7118027, 14236054, 28472108]

約数ペア:

[(1, 28472108), (2, 14236054), (4, 7118027), (7, 4067444), (14, 2033722), (19, 1498532), (28, 1016861), (38, 749266), (76, 374633), (109, 261212), (133, 214076), (218, 130606), (266, 107038), (436, 65303), (491, 57988), (532, 53519), (763, 37316), (982, 28994), (1526, 18658), (1964, 14497), (2071, 13748), (3052, 9329), (3437, 8284), (4142, 6874)]