78989872

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{1237}}^1$

素因数の和:1565

約数の個数: 40

約数和(自身を含む): 165485936

約数和(自身を除く): 86496064

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 307, 614, 1228, 1237, 2456, 2474, 3991, 4912, 4948, 7982, 9896, 15964, 16081, 19792, 31928, 32162, 63856, 64324, 128648, 257296, 379759, 759518, 1519036, 3038072, 4936867, 6076144, 9873734, 19747468, 39494936, 78989872]

約数ペア:

[(1, 78989872), (2, 39494936), (4, 19747468), (8, 9873734), (13, 6076144), (16, 4936867), (26, 3038072), (52, 1519036), (104, 759518), (208, 379759), (307, 257296), (614, 128648), (1228, 64324), (1237, 63856), (2456, 32162), (2474, 31928), (3991, 19792), (4912, 16081), (4948, 15964), (7982, 9896)]