251281004

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{419}}^1\times {\mathrm{607}}^1$

素因数の和:1062

約数の個数: 48

約数和(自身を含む): 500505600

約数和(自身を除く): 249224596

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 419, 494, 607, 838, 988, 1214, 1676, 2428, 5447, 7891, 7961, 10894, 11533, 15782, 15922, 21788, 23066, 31564, 31844, 46132, 103493, 149929, 206986, 254333, 299858, 413972, 508666, 599716, 1017332, 3306329, 4832327, 6612658, 9664654, 13225316, 19329308, 62820251, 125640502, 251281004]

約数ペア:

[(1, 251281004), (2, 125640502), (4, 62820251), (13, 19329308), (19, 13225316), (26, 9664654), (38, 6612658), (52, 4832327), (76, 3306329), (247, 1017332), (419, 599716), (494, 508666), (607, 413972), (838, 299858), (988, 254333), (1214, 206986), (1676, 149929), (2428, 103493), (5447, 46132), (7891, 31844), (7961, 31564), (10894, 23066), (11533, 21788), (15782, 15922)]