87891013

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{241}}^1\times {\mathrm{983}}^1$

素因数の和:1284

約数の個数: 16

約数和(自身を含む): 102871296

約数和(自身を除く): 14980283

約数列:

[1, 7, 53, 241, 371, 983, 1687, 6881, 12773, 52099, 89411, 236903, 364693, 1658321, 12555859, 87891013]

約数ペア:

[(1, 87891013), (7, 12555859), (53, 1658321), (241, 364693), (371, 236903), (983, 89411), (1687, 52099), (6881, 12773)]