216812622

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{509}}^1$

素因数の和:697

約数の個数: 64

約数和(自身を含む): 482549760

約数和(自身を除く): 265737138

約数列:

[1, 2, 3, 6, 13, 26, 39, 43, 78, 86, 127, 129, 254, 258, 381, 509, 559, 762, 1018, 1118, 1527, 1651, 1677, 3054, 3302, 3354, 4953, 5461, 6617, 9906, 10922, 13234, 16383, 19851, 21887, 32766, 39702, 43774, 64643, 65661, 70993, 129286, 131322, 141986, 193929, 212979, 284531, 387858, 425958, 569062, 840359, 853593, 1680718, 1707186, 2521077, 2779649, 5042154, 5559298, 8338947, 16677894, 36135437, 72270874, 108406311, 216812622]

約数ペア:

[(1, 216812622), (2, 108406311), (3, 72270874), (6, 36135437), (13, 16677894), (26, 8338947), (39, 5559298), (43, 5042154), (78, 2779649), (86, 2521077), (127, 1707186), (129, 1680718), (254, 853593), (258, 840359), (381, 569062), (509, 425958), (559, 387858), (762, 284531), (1018, 212979), (1118, 193929), (1527, 141986), (1651, 131322), (1677, 129286), (3054, 70993), (3302, 65661), (3354, 64643), (4953, 43774), (5461, 39702), (6617, 32766), (9906, 21887), (10922, 19851), (13234, 16383)]