64676975

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{479}}^1\times {\mathrm{491}}^1$

素因数の和:991

約数の個数: 24

約数和(自身を含む): 87851520

約数和(自身を除く): 23174545

約数列:

[1, 5, 11, 25, 55, 275, 479, 491, 2395, 2455, 5269, 5401, 11975, 12275, 26345, 27005, 131725, 135025, 235189, 1175945, 2587079, 5879725, 12935395, 64676975]

約数ペア:

[(1, 64676975), (5, 12935395), (11, 5879725), (25, 2587079), (55, 1175945), (275, 235189), (479, 135025), (491, 131725), (2395, 27005), (2455, 26345), (5269, 12275), (5401, 11975)]