201914885

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1$

素因数の和:353

約数の個数: 32

約数和(自身を含む): 255923712

約数和(自身を除く): 54008827

約数列:

[1, 5, 43, 67, 107, 131, 215, 335, 535, 655, 2881, 4601, 5633, 7169, 8777, 14017, 14405, 23005, 28165, 35845, 43885, 70085, 308267, 377411, 602731, 939139, 1541335, 1887055, 3013655, 4695695, 40382977, 201914885]

約数ペア:

[(1, 201914885), (5, 40382977), (43, 4695695), (67, 3013655), (107, 1887055), (131, 1541335), (215, 939139), (335, 602731), (535, 377411), (655, 308267), (2881, 70085), (4601, 43885), (5633, 35845), (7169, 28165), (8777, 23005), (14017, 14405)]