28702678

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1\times {\mathrm{1427}}^1$

素因数の和:1631

約数の個数: 16

約数和(自身を含む): 43953840

約数和(自身を除く): 15251162

約数列:

[1, 2, 89, 113, 178, 226, 1427, 2854, 10057, 20114, 127003, 161251, 254006, 322502, 14351339, 28702678]

約数ペア:

[(1, 28702678), (2, 14351339), (89, 322502), (113, 254006), (178, 161251), (226, 127003), (1427, 20114), (2854, 10057)]