27991216

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{1013}}^1$

素因数の和:1189

約数の個数: 40

約数和(自身を含む): 59598864

約数和(自身を除く): 31607648

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 157, 176, 314, 628, 1013, 1256, 1727, 2026, 2512, 3454, 4052, 6908, 8104, 11143, 13816, 16208, 22286, 27632, 44572, 89144, 159041, 178288, 318082, 636164, 1272328, 1749451, 2544656, 3498902, 6997804, 13995608, 27991216]

約数ペア:

[(1, 27991216), (2, 13995608), (4, 6997804), (8, 3498902), (11, 2544656), (16, 1749451), (22, 1272328), (44, 636164), (88, 318082), (157, 178288), (176, 159041), (314, 89144), (628, 44572), (1013, 27632), (1256, 22286), (1727, 16208), (2026, 13816), (2512, 11143), (3454, 8104), (4052, 6908)]