201427645

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{653}}^1$

素因数の和:885

約数の個数: 32

約数和(自身を含む): 271226880

約数和(自身を除く): 69799235

約数列:

[1, 5, 17, 19, 85, 95, 191, 323, 653, 955, 1615, 3247, 3265, 3629, 11101, 12407, 16235, 18145, 55505, 61693, 62035, 124723, 210919, 308465, 623615, 1054595, 2120291, 2369737, 10601455, 11848685, 40285529, 201427645]

約数ペア:

[(1, 201427645), (5, 40285529), (17, 11848685), (19, 10601455), (85, 2369737), (95, 2120291), (191, 1054595), (323, 623615), (653, 308465), (955, 210919), (1615, 124723), (3247, 62035), (3265, 61693), (3629, 55505), (11101, 18145), (12407, 16235)]