498021293

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:286

約数の個数: 64

約数和(自身を含む): 688128000

約数和(自身を除く): 190106707

約数列:

[1, 7, 11, 19, 31, 77, 79, 133, 139, 209, 217, 341, 553, 589, 869, 973, 1463, 1501, 1529, 2387, 2449, 2641, 4123, 4309, 6083, 6479, 10507, 10703, 10981, 16511, 17143, 18487, 26939, 29051, 30163, 45353, 46531, 47399, 76867, 81871, 115577, 120791, 188573, 203357, 208639, 325717, 331793, 340411, 511841, 573097, 845537, 900581, 1460473, 2295029, 2382877, 3582887, 3744521, 6304067, 6467809, 16065203, 26211647, 45274663, 71145899, 498021293]

約数ペア:

[(1, 498021293), (7, 71145899), (11, 45274663), (19, 26211647), (31, 16065203), (77, 6467809), (79, 6304067), (133, 3744521), (139, 3582887), (209, 2382877), (217, 2295029), (341, 1460473), (553, 900581), (589, 845537), (869, 573097), (973, 511841), (1463, 340411), (1501, 331793), (1529, 325717), (2387, 208639), (2449, 203357), (2641, 188573), (4123, 120791), (4309, 115577), (6083, 81871), (6479, 76867), (10507, 47399), (10703, 46531), (10981, 45353), (16511, 30163), (17143, 29051), (18487, 26939)]