201219005

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{4493}}^1$

素因数の和:4577

約数の個数: 24

約数和(自身を含む): 266458248

約数和(自身を除く): 65239243

約数列:

[1, 5, 13, 53, 65, 169, 265, 689, 845, 3445, 4493, 8957, 22465, 44785, 58409, 238129, 292045, 759317, 1190645, 3095677, 3796585, 15478385, 40243801, 201219005]

約数ペア:

[(1, 201219005), (5, 40243801), (13, 15478385), (53, 3796585), (65, 3095677), (169, 1190645), (265, 759317), (689, 292045), (845, 238129), (3445, 58409), (4493, 44785), (8957, 22465)]