1639806685

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{38273}}^1$

素因数の和:38349

約数の個数: 32

約数和(自身を含む): 2314811520

約数和(自身を除く): 675004835

約数列:

[1, 5, 11, 19, 41, 55, 95, 205, 209, 451, 779, 1045, 2255, 3895, 8569, 38273, 42845, 191365, 421003, 727187, 1569193, 2105015, 3635935, 7845965, 7999057, 17261123, 29814667, 39995285, 86305615, 149073335, 327961337, 1639806685]

約数ペア:

[(1, 1639806685), (5, 327961337), (11, 149073335), (19, 86305615), (41, 39995285), (55, 29814667), (95, 17261123), (205, 7999057), (209, 7845965), (451, 3635935), (779, 2105015), (1045, 1569193), (2255, 727187), (3895, 421003), (8569, 191365), (38273, 42845)]