822917.0000000

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{557}}^1$

素因数の和:646

約数の個数: 48

約数和(自身を含む): 22311072

約数和(自身を除く): 12608132

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 67, 130, 134, 260, 268, 335, 557, 670, 871, 1114, 1340, 1742, 2228, 2785, 3484, 4355, 5570, 7241, 8710, 11140, 14482, 17420, 28964, 36205, 37319, 72410, 74638, 144820, 149276, 186595, 373190, 485147, 746380, 970294, 1940588, 2425735, 4851470, 9702940]

約数ペア:

[(1, 9702940), (2, 4851470), (4, 2425735), (5, 1940588), (10, 970294), (13, 746380), (20, 485147), (26, 373190), (52, 186595), (65, 149276), (67, 144820), (130, 74638), (134, 72410), (260, 37319), (268, 36205), (335, 28964), (557, 17420), (670, 14482), (871, 11140), (1114, 8710), (1340, 7241), (1742, 5570), (2228, 4355), (2785, 3484)]