199949852

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{269}}^1\times {\mathrm{643}}^1$

素因数の和:950

約数の個数: 36

約数和(自身を含む): 373668120

約数和(自身を除く): 173718268

約数列:

[1, 2, 4, 17, 34, 68, 269, 289, 538, 578, 643, 1076, 1156, 1286, 2572, 4573, 9146, 10931, 18292, 21862, 43724, 77741, 155482, 172967, 185827, 310964, 345934, 371654, 691868, 743308, 2940439, 5880878, 11761756, 49987463, 99974926, 199949852]

約数ペア:

[(1, 199949852), (2, 99974926), (4, 49987463), (17, 11761756), (34, 5880878), (68, 2940439), (269, 743308), (289, 691868), (538, 371654), (578, 345934), (643, 310964), (1076, 185827), (1156, 172967), (1286, 155482), (2572, 77741), (4573, 43724), (9146, 21862), (10931, 18292)]