217205408

素因数分解:

$2^5\times 7^1\times {\mathrm{969667}}^1$

素因数の和:969684

約数の個数: 24

約数和(自身を含む): 488712672

約数和(自身を除く): 271507264

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 969667, 1939334, 3878668, 6787669, 7757336, 13575338, 15514672, 27150676, 31029344, 54301352, 108602704, 217205408]

約数ペア:

[(1, 217205408), (2, 108602704), (4, 54301352), (7, 31029344), (8, 27150676), (14, 15514672), (16, 13575338), (28, 7757336), (32, 6787669), (56, 3878668), (112, 1939334), (224, 969667)]