2151548108

素因数分解:

$2^2\times {\mathrm{197}}^1\times {\mathrm{389}}^1\times {\mathrm{7019}}^1$

素因数の和:7609

約数の個数: 24

約数和(自身を含む): 3794590800

約数和(自身を除く): 1643042692

約数列:

[1, 2, 4, 197, 389, 394, 778, 788, 1556, 7019, 14038, 28076, 76633, 153266, 306532, 1382743, 2730391, 2765486, 5460782, 5530972, 10921564, 537887027, 1075774054, 2151548108]

約数ペア:

[(1, 2151548108), (2, 1075774054), (4, 537887027), (197, 10921564), (389, 5530972), (394, 5460782), (778, 2765486), (788, 2730391), (1556, 1382743), (7019, 306532), (14038, 153266), (28076, 76633)]