138854530

素因数分解:

$2^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{257}}^1\times {\mathrm{557}}^1$

素因数の和:918

約数の個数: 32

約数和(自身を含む): 253952496

約数和(自身を除く): 115097966

約数列:

[1, 2, 5, 10, 97, 194, 257, 485, 514, 557, 970, 1114, 1285, 2570, 2785, 5570, 24929, 49858, 54029, 108058, 124645, 143149, 249290, 270145, 286298, 540290, 715745, 1431490, 13885453, 27770906, 69427265, 138854530]

約数ペア:

[(1, 138854530), (2, 69427265), (5, 27770906), (10, 13885453), (97, 1431490), (194, 715745), (257, 540290), (485, 286298), (514, 270145), (557, 249290), (970, 143149), (1114, 124645), (1285, 108058), (2570, 54029), (2785, 49858), (5570, 24929)]