197904494

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{163}}^1\times {\mathrm{359}}^1$

素因数の和:632

約数の個数: 32

約数和(自身を含む): 318816000

約数和(自身を除く): 120911506

約数列:

[1, 2, 19, 38, 89, 163, 178, 326, 359, 718, 1691, 3097, 3382, 6194, 6821, 13642, 14507, 29014, 31951, 58517, 63902, 117034, 275633, 551266, 607069, 1111823, 1214138, 2223646, 5208013, 10416026, 98952247, 197904494]

約数ペア:

[(1, 197904494), (2, 98952247), (19, 10416026), (38, 5208013), (89, 2223646), (163, 1214138), (178, 1111823), (326, 607069), (359, 551266), (718, 275633), (1691, 117034), (3097, 63902), (3382, 58517), (6194, 31951), (6821, 29014), (13642, 14507)]