387831496

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{196271}}^1$

素因数の和:196309

約数の個数: 32

約数和(自身を含む): 824342400

約数和(自身を除く): 436510904

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 196271, 392542, 785084, 1570168, 2551523, 3729149, 5103046, 7458298, 10206092, 14916596, 20412184, 29833192, 48478937, 96957874, 193915748, 387831496]

約数ペア:

[(1, 387831496), (2, 193915748), (4, 96957874), (8, 48478937), (13, 29833192), (19, 20412184), (26, 14916596), (38, 10206092), (52, 7458298), (76, 5103046), (104, 3729149), (152, 2551523), (247, 1570168), (494, 785084), (988, 392542), (1976, 196271)]