27991568

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1787}}^1$

素因数の和:1895

約数の個数: 40

約数和(自身を含む): 59862240

約数和(自身を除く): 31870672

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 89, 176, 178, 356, 712, 979, 1424, 1787, 1958, 3574, 3916, 7148, 7832, 14296, 15664, 19657, 28592, 39314, 78628, 157256, 159043, 314512, 318086, 636172, 1272344, 1749473, 2544688, 3498946, 6997892, 13995784, 27991568]

約数ペア:

[(1, 27991568), (2, 13995784), (4, 6997892), (8, 3498946), (11, 2544688), (16, 1749473), (22, 1272344), (44, 636172), (88, 318086), (89, 314512), (176, 159043), (178, 157256), (356, 78628), (712, 39314), (979, 28592), (1424, 19657), (1787, 15664), (1958, 14296), (3574, 7832), (3916, 7148)]