99871856

素因数分解:

$2^4\times 7^1\times {\mathrm{499}}^1\times {\mathrm{1787}}^1$

素因数の和:2301

約数の個数: 40

約数和(自身を含む): 221712000

約数和(自身を除く): 121840144

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 499, 998, 1787, 1996, 3493, 3574, 3992, 6986, 7148, 7984, 12509, 13972, 14296, 25018, 27944, 28592, 50036, 55888, 100072, 200144, 891713, 1783426, 3566852, 6241991, 7133704, 12483982, 14267408, 24967964, 49935928, 99871856]

約数ペア:

[(1, 99871856), (2, 49935928), (4, 24967964), (7, 14267408), (8, 12483982), (14, 7133704), (16, 6241991), (28, 3566852), (56, 1783426), (112, 891713), (499, 200144), (998, 100072), (1787, 55888), (1996, 50036), (3493, 28592), (3574, 27944), (3992, 25018), (6986, 14296), (7148, 13972), (7984, 12509)]