15780752

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{75869}}^1$

素因数の和:75890

約数の個数: 20

約数和(自身を含む): 32927580

約数和(自身を除く): 17146828

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 75869, 151738, 303476, 606952, 986297, 1213904, 1972594, 3945188, 7890376, 15780752]

約数ペア:

[(1, 15780752), (2, 7890376), (4, 3945188), (8, 1972594), (13, 1213904), (16, 986297), (26, 606952), (52, 303476), (104, 151738), (208, 75869)]