64437328

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{433}}^1$

素因数の和:643

約数の個数: 40

約数和(自身を含む): 127866816

約数和(自身を除く): 63429488

約数列:

[1, 2, 4, 8, 16, 71, 131, 142, 262, 284, 433, 524, 568, 866, 1048, 1136, 1732, 2096, 3464, 6928, 9301, 18602, 30743, 37204, 56723, 61486, 74408, 113446, 122972, 148816, 226892, 245944, 453784, 491888, 907568, 4027333, 8054666, 16109332, 32218664, 64437328]

約数ペア:

[(1, 64437328), (2, 32218664), (4, 16109332), (8, 8054666), (16, 4027333), (71, 907568), (131, 491888), (142, 453784), (262, 245944), (284, 226892), (433, 148816), (524, 122972), (568, 113446), (866, 74408), (1048, 61486), (1136, 56723), (1732, 37204), (2096, 30743), (3464, 18602), (6928, 9301)]