81880502

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{28411}}^1$

素因数の和:28555

約数の個数: 16

約数和(自身を含む): 135013824

約数和(自身を除く): 53133322

約数列:

[1, 2, 11, 22, 131, 262, 1441, 2882, 28411, 56822, 312521, 625042, 3721841, 7443682, 40940251, 81880502]

約数ペア:

[(1, 81880502), (2, 40940251), (11, 7443682), (22, 3721841), (131, 625042), (262, 312521), (1441, 56822), (2882, 28411)]