321936616

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{9431}}^1$

素因数の和:9705

約数の個数: 32

約数和(自身を含む): 641753280

約数和(自身を除く): 319816664

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 251, 502, 1004, 2008, 4267, 8534, 9431, 17068, 18862, 34136, 37724, 75448, 160327, 320654, 641308, 1282616, 2367181, 4734362, 9468724, 18937448, 40242077, 80484154, 160968308, 321936616]

約数ペア:

[(1, 321936616), (2, 160968308), (4, 80484154), (8, 40242077), (17, 18937448), (34, 9468724), (68, 4734362), (136, 2367181), (251, 1282616), (502, 641308), (1004, 320654), (2008, 160327), (4267, 75448), (8534, 37724), (9431, 34136), (17068, 18862)]