15720344

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{211}}^1$

素因数の和:423

約数の個数: 32

約数和(自身を含む): 30273600

約数和(自身を除く): 14553256

約数列:

[1, 2, 4, 8, 67, 134, 139, 211, 268, 278, 422, 536, 556, 844, 1112, 1688, 9313, 14137, 18626, 28274, 29329, 37252, 56548, 58658, 74504, 113096, 117316, 234632, 1965043, 3930086, 7860172, 15720344]

約数ペア:

[(1, 15720344), (2, 7860172), (4, 3930086), (8, 1965043), (67, 234632), (134, 117316), (139, 113096), (211, 74504), (268, 58658), (278, 56548), (422, 37252), (536, 29329), (556, 28274), (844, 18626), (1112, 14137), (1688, 9313)]