28007018

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:159

約数の個数: 48

約数和(自身を含む): 48698496

約数和(自身を除く): 20691478

約数列:

[1, 2, 13, 26, 41, 43, 47, 82, 86, 94, 169, 338, 533, 559, 611, 1066, 1118, 1222, 1763, 1927, 2021, 3526, 3854, 4042, 6929, 7267, 7943, 13858, 14534, 15886, 22919, 25051, 26273, 45838, 50102, 52546, 82861, 165722, 297947, 325663, 341549, 595894, 651326, 683098, 1077193, 2154386, 14003509, 28007018]

約数ペア:

[(1, 28007018), (2, 14003509), (13, 2154386), (26, 1077193), (41, 683098), (43, 651326), (47, 595894), (82, 341549), (86, 325663), (94, 297947), (169, 165722), (338, 82861), (533, 52546), (559, 50102), (611, 45838), (1066, 26273), (1118, 25051), (1222, 22919), (1763, 15886), (1927, 14534), (2021, 13858), (3526, 7943), (3854, 7267), (4042, 6929)]