15220504

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4721}}^1$

素因数の和:4771

約数の個数: 32

約数和(自身を含む): 31731840

約数和(自身を除く): 16511336

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 248, 403, 806, 1612, 3224, 4721, 9442, 18884, 37768, 61373, 122746, 146351, 245492, 292702, 490984, 585404, 1170808, 1902563, 3805126, 7610252, 15220504]

約数ペア:

[(1, 15220504), (2, 7610252), (4, 3805126), (8, 1902563), (13, 1170808), (26, 585404), (31, 490984), (52, 292702), (62, 245492), (104, 146351), (124, 122746), (248, 61373), (403, 37768), (806, 18884), (1612, 9442), (3224, 4721)]