199448425

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{4007}}^1$

素因数の和:4209

約数の個数: 24

約数和(自身を含む): 271357632

約数和(自身を除く): 71909207

約数列:

[1, 5, 11, 25, 55, 181, 275, 905, 1991, 4007, 4525, 9955, 20035, 44077, 49775, 100175, 220385, 725267, 1101925, 3626335, 7977937, 18131675, 39889685, 199448425]

約数ペア:

[(1, 199448425), (5, 39889685), (11, 18131675), (25, 7977937), (55, 3626335), (181, 1101925), (275, 725267), (905, 220385), (1991, 100175), (4007, 49775), (4525, 44077), (9955, 20035)]