27420928

素因数分解:

$2^8\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:159

約数の個数: 72

約数和(自身を含む): 58278528

約数和(自身を除く): 30857600

約数列:

[1, 2, 4, 8, 16, 32, 43, 47, 53, 64, 86, 94, 106, 128, 172, 188, 212, 256, 344, 376, 424, 688, 752, 848, 1376, 1504, 1696, 2021, 2279, 2491, 2752, 3008, 3392, 4042, 4558, 4982, 5504, 6016, 6784, 8084, 9116, 9964, 11008, 12032, 13568, 16168, 18232, 19928, 32336, 36464, 39856, 64672, 72928, 79712, 107113, 129344, 145856, 159424, 214226, 258688, 291712, 318848, 428452, 517376, 583424, 637696, 856904, 1713808, 3427616, 6855232, 13710464, 27420928]

約数ペア:

[(1, 27420928), (2, 13710464), (4, 6855232), (8, 3427616), (16, 1713808), (32, 856904), (43, 637696), (47, 583424), (53, 517376), (64, 428452), (86, 318848), (94, 291712), (106, 258688), (128, 214226), (172, 159424), (188, 145856), (212, 129344), (256, 107113), (344, 79712), (376, 72928), (424, 64672), (688, 39856), (752, 36464), (848, 32336), (1376, 19928), (1504, 18232), (1696, 16168), (2021, 13568), (2279, 12032), (2491, 11008), (2752, 9964), (3008, 9116), (3392, 8084), (4042, 6784), (4558, 6016), (4982, 5504)]