211804928

素因数分解:

$2^8\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{271}}^1$

素因数の和:401

約数の個数: 72

約数和(自身を含む): 440326656

約数和(自身を除く): 228521728

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 71, 86, 128, 142, 172, 256, 271, 284, 344, 542, 568, 688, 1084, 1136, 1376, 2168, 2272, 2752, 3053, 4336, 4544, 5504, 6106, 8672, 9088, 11008, 11653, 12212, 17344, 18176, 19241, 23306, 24424, 34688, 38482, 46612, 48848, 69376, 76964, 93224, 97696, 153928, 186448, 195392, 307856, 372896, 390784, 615712, 745792, 781568, 827363, 1231424, 1491584, 1654726, 2462848, 2983168, 3309452, 4925696, 6618904, 13237808, 26475616, 52951232, 105902464, 211804928]

約数ペア:

[(1, 211804928), (2, 105902464), (4, 52951232), (8, 26475616), (16, 13237808), (32, 6618904), (43, 4925696), (64, 3309452), (71, 2983168), (86, 2462848), (128, 1654726), (142, 1491584), (172, 1231424), (256, 827363), (271, 781568), (284, 745792), (344, 615712), (542, 390784), (568, 372896), (688, 307856), (1084, 195392), (1136, 186448), (1376, 153928), (2168, 97696), (2272, 93224), (2752, 76964), (3053, 69376), (4336, 48848), (4544, 46612), (5504, 38482), (6106, 34688), (8672, 24424), (9088, 23306), (11008, 19241), (11653, 18176), (12212, 17344)]