42128567

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:255

約数の個数: 32

約数和(自身を含む): 51609600

約数和(自身を除く): 9481033

約数列:

[1, 13, 17, 19, 79, 127, 221, 247, 323, 1027, 1343, 1501, 1651, 2159, 2413, 4199, 10033, 17459, 19513, 25517, 28067, 31369, 41021, 130429, 170561, 190627, 331721, 533273, 2217293, 2478151, 3240659, 42128567]

約数ペア:

[(1, 42128567), (13, 3240659), (17, 2478151), (19, 2217293), (79, 533273), (127, 331721), (221, 190627), (247, 170561), (323, 130429), (1027, 41021), (1343, 31369), (1501, 28067), (1651, 25517), (2159, 19513), (2413, 17459), (4199, 10033)]