15681584

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{991}}^1$

素因数の和:1065

約数の個数: 40

約数和(自身を含む): 32474112

約数和(自身を除く): 16792528

約数列:

[1, 2, 4, 8, 16, 23, 43, 46, 86, 92, 172, 184, 344, 368, 688, 989, 991, 1978, 1982, 3956, 3964, 7912, 7928, 15824, 15856, 22793, 42613, 45586, 85226, 91172, 170452, 182344, 340904, 364688, 681808, 980099, 1960198, 3920396, 7840792, 15681584]

約数ペア:

[(1, 15681584), (2, 7840792), (4, 3920396), (8, 1960198), (16, 980099), (23, 681808), (43, 364688), (46, 340904), (86, 182344), (92, 170452), (172, 91172), (184, 85226), (344, 45586), (368, 42613), (688, 22793), (989, 15856), (991, 15824), (1978, 7928), (1982, 7912), (3956, 3964)]