131128424

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{491}}^1$

素因数の和:774

約数の個数: 64

約数和(自身を含む): 297561600

約数和(自身を除く): 166433176

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 251, 266, 491, 502, 532, 982, 1004, 1064, 1757, 1964, 2008, 3437, 3514, 3928, 4769, 6874, 7028, 9329, 9538, 13748, 14056, 18658, 19076, 27496, 33383, 37316, 38152, 65303, 66766, 74632, 123241, 130606, 133532, 246482, 261212, 267064, 492964, 522424, 862687, 985928, 1725374, 2341579, 3450748, 4683158, 6901496, 9366316, 16391053, 18732632, 32782106, 65564212, 131128424]

約数ペア:

[(1, 131128424), (2, 65564212), (4, 32782106), (7, 18732632), (8, 16391053), (14, 9366316), (19, 6901496), (28, 4683158), (38, 3450748), (56, 2341579), (76, 1725374), (133, 985928), (152, 862687), (251, 522424), (266, 492964), (491, 267064), (502, 261212), (532, 246482), (982, 133532), (1004, 130606), (1064, 123241), (1757, 74632), (1964, 66766), (2008, 65303), (3437, 38152), (3514, 37316), (3928, 33383), (4769, 27496), (6874, 19076), (7028, 18658), (9329, 14056), (9538, 13748)]