25130578

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{1019}}^1$

素因数の和:1110

約数の個数: 32

約数和(自身を含む): 44064000

約数和(自身を除く): 18933422

約数列:

[1, 2, 11, 19, 22, 38, 59, 118, 209, 418, 649, 1019, 1121, 1298, 2038, 2242, 11209, 12331, 19361, 22418, 24662, 38722, 60121, 120242, 212971, 425942, 661331, 1142299, 1322662, 2284598, 12565289, 25130578]

約数ペア:

[(1, 25130578), (2, 12565289), (11, 2284598), (19, 1322662), (22, 1142299), (38, 661331), (59, 425942), (118, 212971), (209, 120242), (418, 60121), (649, 38722), (1019, 24662), (1121, 22418), (1298, 19361), (2038, 12331), (2242, 11209)]