12781468

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{223}}^1$

素因数の和:346

約数の個数: 48

約数和(自身を含む): 27095040

約数和(自身を除く): 14313572

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 89, 92, 161, 178, 223, 322, 356, 446, 623, 644, 892, 1246, 1561, 2047, 2492, 3122, 4094, 5129, 6244, 8188, 10258, 14329, 19847, 20516, 28658, 35903, 39694, 57316, 71806, 79388, 138929, 143612, 277858, 456481, 555716, 912962, 1825924, 3195367, 6390734, 12781468]

約数ペア:

[(1, 12781468), (2, 6390734), (4, 3195367), (7, 1825924), (14, 912962), (23, 555716), (28, 456481), (46, 277858), (89, 143612), (92, 138929), (161, 79388), (178, 71806), (223, 57316), (322, 39694), (356, 35903), (446, 28658), (623, 20516), (644, 19847), (892, 14329), (1246, 10258), (1561, 8188), (2047, 6244), (2492, 5129), (3122, 4094)]