28216648

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{863}}^1$

素因数の和:997

約数の個数: 32

約数和(自身を含む): 54639360

約数和(自身を除く): 26422712

約数列:

[1, 2, 4, 8, 61, 67, 122, 134, 244, 268, 488, 536, 863, 1726, 3452, 4087, 6904, 8174, 16348, 32696, 52643, 57821, 105286, 115642, 210572, 231284, 421144, 462568, 3527081, 7054162, 14108324, 28216648]

約数ペア:

[(1, 28216648), (2, 14108324), (4, 7054162), (8, 3527081), (61, 462568), (67, 421144), (122, 231284), (134, 210572), (244, 115642), (268, 105286), (488, 57821), (536, 52643), (863, 32696), (1726, 16348), (3452, 8174), (4087, 6904)]