81616136

素因数分解:

$2^3\times 7^1\times {\mathrm{157}}^1\times {\mathrm{9283}}^1$

素因数の和:9453

約数の個数: 32

約数和(自身を含む): 176024640

約数和(自身を除く): 94408504

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 157, 314, 628, 1099, 1256, 2198, 4396, 8792, 9283, 18566, 37132, 64981, 74264, 129962, 259924, 519848, 1457431, 2914862, 5829724, 10202017, 11659448, 20404034, 40808068, 81616136]

約数ペア:

[(1, 81616136), (2, 40808068), (4, 20404034), (7, 11659448), (8, 10202017), (14, 5829724), (28, 2914862), (56, 1457431), (157, 519848), (314, 259924), (628, 129962), (1099, 74264), (1256, 64981), (2198, 37132), (4396, 18566), (8792, 9283)]