28642042

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1$

素因数の和:223

約数の個数: 64

約数和(自身を含む): 55085184

約数和(自身を除く): 26443142

約数列:

[1, 2, 11, 13, 17, 22, 26, 34, 43, 86, 137, 143, 187, 221, 274, 286, 374, 442, 473, 559, 731, 946, 1118, 1462, 1507, 1781, 2329, 2431, 3014, 3562, 4658, 4862, 5891, 6149, 8041, 9503, 11782, 12298, 16082, 19006, 19591, 25619, 30277, 39182, 51238, 60554, 64801, 76583, 100147, 104533, 129602, 153166, 200294, 209066, 333047, 666094, 842413, 1101617, 1301911, 1684826, 2203234, 2603822, 14321021, 28642042]

約数ペア:

[(1, 28642042), (2, 14321021), (11, 2603822), (13, 2203234), (17, 1684826), (22, 1301911), (26, 1101617), (34, 842413), (43, 666094), (86, 333047), (137, 209066), (143, 200294), (187, 153166), (221, 129602), (274, 104533), (286, 100147), (374, 76583), (442, 64801), (473, 60554), (559, 51238), (731, 39182), (946, 30277), (1118, 25619), (1462, 19591), (1507, 19006), (1781, 16082), (2329, 12298), (2431, 11782), (3014, 9503), (3562, 8041), (4658, 6149), (4862, 5891)]