128674015

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{239}}^1$

素因数の和:399

約数の個数: 32

約数和(自身を含む): 165888000

約数和(自身を除く): 37213985

約数列:

[1, 5, 29, 47, 79, 145, 235, 239, 395, 1195, 1363, 2291, 3713, 6815, 6931, 11233, 11455, 18565, 18881, 34655, 56165, 94405, 107677, 325757, 538385, 547549, 887407, 1628785, 2737745, 4437035, 25734803, 128674015]

約数ペア:

[(1, 128674015), (5, 25734803), (29, 4437035), (47, 2737745), (79, 1628785), (145, 887407), (235, 547549), (239, 538385), (395, 325757), (1195, 107677), (1363, 94405), (2291, 56165), (3713, 34655), (6815, 18881), (6931, 18565), (11233, 11455)]