68980304

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{127}}^1\times {\mathrm{409}}^1$

素因数の和:627

約数の個数: 40

約数和(自身を含む): 136657920

約数和(自身を除く): 67677616

約数列:

[1, 2, 4, 8, 16, 83, 127, 166, 254, 332, 409, 508, 664, 818, 1016, 1328, 1636, 2032, 3272, 6544, 10541, 21082, 33947, 42164, 51943, 67894, 84328, 103886, 135788, 168656, 207772, 271576, 415544, 543152, 831088, 4311269, 8622538, 17245076, 34490152, 68980304]

約数ペア:

[(1, 68980304), (2, 34490152), (4, 17245076), (8, 8622538), (16, 4311269), (83, 831088), (127, 543152), (166, 415544), (254, 271576), (332, 207772), (409, 168656), (508, 135788), (664, 103886), (818, 84328), (1016, 67894), (1328, 51943), (1636, 42164), (2032, 33947), (3272, 21082), (6544, 10541)]