28261552

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{1559}}^1$

素因数の和:1681

約数の個数: 40

約数和(自身を含む): 60353280

約数和(自身を除く): 32091728

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 103, 176, 206, 412, 824, 1133, 1559, 1648, 2266, 3118, 4532, 6236, 9064, 12472, 17149, 18128, 24944, 34298, 68596, 137192, 160577, 274384, 321154, 642308, 1284616, 1766347, 2569232, 3532694, 7065388, 14130776, 28261552]

約数ペア:

[(1, 28261552), (2, 14130776), (4, 7065388), (8, 3532694), (11, 2569232), (16, 1766347), (22, 1284616), (44, 642308), (88, 321154), (103, 274384), (176, 160577), (206, 137192), (412, 68596), (824, 34298), (1133, 24944), (1559, 18128), (1648, 17149), (2266, 12472), (3118, 9064), (4532, 6236)]