2398864

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{607}}^1$

素因数の和:647

約数の個数: 40

約数和(自身を含む): 5277440

約数和(自身を除く): 2878576

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 607, 988, 1214, 1976, 2428, 3952, 4856, 7891, 9712, 11533, 15782, 23066, 31564, 46132, 63128, 92264, 126256, 149929, 184528, 299858, 599716, 1199432, 2398864]

約数ペア:

[(1, 2398864), (2, 1199432), (4, 599716), (8, 299858), (13, 184528), (16, 149929), (19, 126256), (26, 92264), (38, 63128), (52, 46132), (76, 31564), (104, 23066), (152, 15782), (208, 11533), (247, 9712), (304, 7891), (494, 4856), (607, 3952), (988, 2428), (1214, 1976)]