15982928

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1787}}^1$

素因数の和:1851

約数の個数: 40

約数和(自身を含む): 34143648

約数和(自身を除く): 18160720

約数列:

[1, 2, 4, 8, 13, 16, 26, 43, 52, 86, 104, 172, 208, 344, 559, 688, 1118, 1787, 2236, 3574, 4472, 7148, 8944, 14296, 23231, 28592, 46462, 76841, 92924, 153682, 185848, 307364, 371696, 614728, 998933, 1229456, 1997866, 3995732, 7991464, 15982928]

約数ペア:

[(1, 15982928), (2, 7991464), (4, 3995732), (8, 1997866), (13, 1229456), (16, 998933), (26, 614728), (43, 371696), (52, 307364), (86, 185848), (104, 153682), (172, 92924), (208, 76841), (344, 46462), (559, 28592), (688, 23231), (1118, 14296), (1787, 8944), (2236, 7148), (3574, 4472)]