399146464

素因数分解:

$2^5\times {\mathrm{97}}^1\times {\mathrm{128591}}^1$

素因数の和:128698

約数の個数: 24

約数和(自身を含む): 793927008

約数和(自身を除く): 394780544

約数列:

[1, 2, 4, 8, 16, 32, 97, 194, 388, 776, 1552, 3104, 128591, 257182, 514364, 1028728, 2057456, 4114912, 12473327, 24946654, 49893308, 99786616, 199573232, 399146464]

約数ペア:

[(1, 399146464), (2, 199573232), (4, 99786616), (8, 49893308), (16, 24946654), (32, 12473327), (97, 4114912), (194, 2057456), (388, 1028728), (776, 514364), (1552, 257182), (3104, 128591)]