81210116

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{42209}}^1$

素因数の和:42263

約数の個数: 24

約数和(自身を含む): 157190040

約数和(自身を除く): 75979924

約数列:

[1, 2, 4, 13, 26, 37, 52, 74, 148, 481, 962, 1924, 42209, 84418, 168836, 548717, 1097434, 1561733, 2194868, 3123466, 6246932, 20302529, 40605058, 81210116]

約数ペア:

[(1, 81210116), (2, 40605058), (4, 20302529), (13, 6246932), (26, 3123466), (37, 2194868), (52, 1561733), (74, 1097434), (148, 548717), (481, 168836), (962, 84418), (1924, 42209)]