28581072

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{281}}^1$

素因数の和:468

約数の個数: 80

約数和(自身を含む): 80286528

約数和(自身を除く): 51705456

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 163, 208, 281, 312, 326, 489, 562, 624, 652, 843, 978, 1124, 1304, 1686, 1956, 2119, 2248, 2608, 3372, 3653, 3912, 4238, 4496, 6357, 6744, 7306, 7824, 8476, 10959, 12714, 13488, 14612, 16952, 21918, 25428, 29224, 33904, 43836, 45803, 50856, 58448, 87672, 91606, 101712, 137409, 175344, 183212, 274818, 366424, 549636, 595439, 732848, 1099272, 1190878, 1786317, 2198544, 2381756, 3572634, 4763512, 7145268, 9527024, 14290536, 28581072]

約数ペア:

[(1, 28581072), (2, 14290536), (3, 9527024), (4, 7145268), (6, 4763512), (8, 3572634), (12, 2381756), (13, 2198544), (16, 1786317), (24, 1190878), (26, 1099272), (39, 732848), (48, 595439), (52, 549636), (78, 366424), (104, 274818), (156, 183212), (163, 175344), (208, 137409), (281, 101712), (312, 91606), (326, 87672), (489, 58448), (562, 50856), (624, 45803), (652, 43836), (843, 33904), (978, 29224), (1124, 25428), (1304, 21918), (1686, 16952), (1956, 14612), (2119, 13488), (2248, 12714), (2608, 10959), (3372, 8476), (3653, 7824), (3912, 7306), (4238, 6744), (4496, 6357)]