215261312

素因数分解:

$2^7\times 7^3\times {\mathrm{4903}}^1$

素因数の和:4938

約数の個数: 64

約数和(自身を含む): 500208000

約数和(自身を除く): 284946688

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 343, 392, 448, 686, 784, 896, 1372, 1568, 2744, 3136, 4903, 5488, 6272, 9806, 10976, 19612, 21952, 34321, 39224, 43904, 68642, 78448, 137284, 156896, 240247, 274568, 313792, 480494, 549136, 627584, 960988, 1098272, 1681729, 1921976, 2196544, 3363458, 3843952, 4393088, 6726916, 7687904, 13453832, 15375808, 26907664, 30751616, 53815328, 107630656, 215261312]

約数ペア:

[(1, 215261312), (2, 107630656), (4, 53815328), (7, 30751616), (8, 26907664), (14, 15375808), (16, 13453832), (28, 7687904), (32, 6726916), (49, 4393088), (56, 3843952), (64, 3363458), (98, 2196544), (112, 1921976), (128, 1681729), (196, 1098272), (224, 960988), (343, 627584), (392, 549136), (448, 480494), (686, 313792), (784, 274568), (896, 240247), (1372, 156896), (1568, 137284), (2744, 78448), (3136, 68642), (4903, 43904), (5488, 39224), (6272, 34321), (9806, 21952), (10976, 19612)]