28129376

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{509}}^1$

素因数の和:687

約数の個数: 48

約数和(自身を含む): 60918480

約数和(自身を除く): 32789104

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 157, 176, 314, 352, 509, 628, 1018, 1256, 1727, 2036, 2512, 3454, 4072, 5024, 5599, 6908, 8144, 11198, 13816, 16288, 22396, 27632, 44792, 55264, 79913, 89584, 159826, 179168, 319652, 639304, 879043, 1278608, 1758086, 2557216, 3516172, 7032344, 14064688, 28129376]

約数ペア:

[(1, 28129376), (2, 14064688), (4, 7032344), (8, 3516172), (11, 2557216), (16, 1758086), (22, 1278608), (32, 879043), (44, 639304), (88, 319652), (157, 179168), (176, 159826), (314, 89584), (352, 79913), (509, 55264), (628, 44792), (1018, 27632), (1256, 22396), (1727, 16288), (2036, 13816), (2512, 11198), (3454, 8144), (4072, 6908), (5024, 5599)]