81689008

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{4723}}^1$

素因数の和:4801

約数の個数: 40

約数和(自身を含む): 168703488

約数和(自身を除く): 87014480

約数列:

[1, 2, 4, 8, 16, 23, 46, 47, 92, 94, 184, 188, 368, 376, 752, 1081, 2162, 4324, 4723, 8648, 9446, 17296, 18892, 37784, 75568, 108629, 217258, 221981, 434516, 443962, 869032, 887924, 1738064, 1775848, 3551696, 5105563, 10211126, 20422252, 40844504, 81689008]

約数ペア:

[(1, 81689008), (2, 40844504), (4, 20422252), (8, 10211126), (16, 5105563), (23, 3551696), (46, 1775848), (47, 1738064), (92, 887924), (94, 869032), (184, 443962), (188, 434516), (368, 221981), (376, 217258), (752, 108629), (1081, 75568), (2162, 37784), (4324, 18892), (4723, 17296), (8648, 9446)]