71386754128

素因数分解:

$2^4\times {\mathrm{12517}}^1\times {\mathrm{356449}}^1$

素因数の和:368974

約数の個数: 20

約数和(自身を含む): 138323274100

約数和(自身を除く): 66936519972

約数列:

[1, 2, 4, 8, 16, 12517, 25034, 50068, 100136, 200272, 356449, 712898, 1425796, 2851592, 5703184, 4461672133, 8923344266, 17846688532, 35693377064, 71386754128]

約数ペア:

[(1, 71386754128), (2, 35693377064), (4, 17846688532), (8, 8923344266), (16, 4461672133), (12517, 5703184), (25034, 2851592), (50068, 1425796), (100136, 712898), (200272, 356449)]