520221568

素因数分解:

$2^7\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{2011}}^1$

素因数の和:2115

約数の個数: 64

約数和(自身を含む): 1083582720

約数和(自身を除く): 563361152

約数列:

[1, 2, 4, 8, 16, 32, 43, 47, 64, 86, 94, 128, 172, 188, 344, 376, 688, 752, 1376, 1504, 2011, 2021, 2752, 3008, 4022, 4042, 5504, 6016, 8044, 8084, 16088, 16168, 32176, 32336, 64352, 64672, 86473, 94517, 128704, 129344, 172946, 189034, 257408, 258688, 345892, 378068, 691784, 756136, 1383568, 1512272, 2767136, 3024544, 4064231, 5534272, 6049088, 8128462, 11068544, 12098176, 16256924, 32513848, 65027696, 130055392, 260110784, 520221568]

約数ペア:

[(1, 520221568), (2, 260110784), (4, 130055392), (8, 65027696), (16, 32513848), (32, 16256924), (43, 12098176), (47, 11068544), (64, 8128462), (86, 6049088), (94, 5534272), (128, 4064231), (172, 3024544), (188, 2767136), (344, 1512272), (376, 1383568), (688, 756136), (752, 691784), (1376, 378068), (1504, 345892), (2011, 258688), (2021, 257408), (2752, 189034), (3008, 172946), (4022, 129344), (4042, 128704), (5504, 94517), (6016, 86473), (8044, 64672), (8084, 64352), (16088, 32336), (16168, 32176)]