258889012

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{21481}}^1$

素因数の和:21639

約数の個数: 24

約数和(自身を含む): 476384832

約数和(自身を除く): 217495820

約数列:

[1, 2, 4, 23, 46, 92, 131, 262, 524, 3013, 6026, 12052, 21481, 42962, 85924, 494063, 988126, 1976252, 2814011, 5628022, 11256044, 64722253, 129444506, 258889012]

約数ペア:

[(1, 258889012), (2, 129444506), (4, 64722253), (23, 11256044), (46, 5628022), (92, 2814011), (131, 1976252), (262, 988126), (524, 494063), (3013, 85924), (6026, 42962), (12052, 21481)]