28515872

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:262

約数の個数: 96

約数和(自身を含む): 71414784

約数和(自身を除く): 42898912

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 71, 77, 88, 112, 142, 154, 163, 176, 224, 284, 308, 326, 352, 497, 568, 616, 652, 781, 994, 1136, 1141, 1232, 1304, 1562, 1793, 1988, 2272, 2282, 2464, 2608, 3124, 3586, 3976, 4564, 5216, 5467, 6248, 7172, 7952, 9128, 10934, 11573, 12496, 12551, 14344, 15904, 18256, 21868, 23146, 24992, 25102, 28688, 36512, 43736, 46292, 50204, 57376, 81011, 87472, 92584, 100408, 127303, 162022, 174944, 185168, 200816, 254606, 324044, 370336, 401632, 509212, 648088, 891121, 1018424, 1296176, 1782242, 2036848, 2592352, 3564484, 4073696, 7128968, 14257936, 28515872]

約数ペア:

[(1, 28515872), (2, 14257936), (4, 7128968), (7, 4073696), (8, 3564484), (11, 2592352), (14, 2036848), (16, 1782242), (22, 1296176), (28, 1018424), (32, 891121), (44, 648088), (56, 509212), (71, 401632), (77, 370336), (88, 324044), (112, 254606), (142, 200816), (154, 185168), (163, 174944), (176, 162022), (224, 127303), (284, 100408), (308, 92584), (326, 87472), (352, 81011), (497, 57376), (568, 50204), (616, 46292), (652, 43736), (781, 36512), (994, 28688), (1136, 25102), (1141, 24992), (1232, 23146), (1304, 21868), (1562, 18256), (1793, 15904), (1988, 14344), (2272, 12551), (2282, 12496), (2464, 11573), (2608, 10934), (3124, 9128), (3586, 7952), (3976, 7172), (4564, 6248), (5216, 5467)]