72072008

素因数分解:

$2^3\times {\mathrm{131}}^1\times {\mathrm{68771}}^1$

素因数の和:68908

約数の個数: 16

約数和(自身を含む): 136168560

約数和(自身を除く): 64096552

約数列:

[1, 2, 4, 8, 131, 262, 524, 1048, 68771, 137542, 275084, 550168, 9009001, 18018002, 36036004, 72072008]

約数ペア:

[(1, 72072008), (2, 36036004), (4, 18018002), (8, 9009001), (131, 550168), (262, 275084), (524, 137542), (1048, 68771)]