128515216

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{136139}}^1$

素因数の和:136206

約数の個数: 20

約数和(自身を含む): 253220400

約数和(自身を除く): 124705184

約数列:

[1, 2, 4, 8, 16, 59, 118, 236, 472, 944, 136139, 272278, 544556, 1089112, 2178224, 8032201, 16064402, 32128804, 64257608, 128515216]

約数ペア:

[(1, 128515216), (2, 64257608), (4, 32128804), (8, 16064402), (16, 8032201), (59, 2178224), (118, 1089112), (236, 544556), (472, 272278), (944, 136139)]