205700418

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{811}}^1$

素因数の和:901

約数の個数: 128

約数和(自身を含む): 579962880

約数和(自身を除く): 374262462

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 27, 33, 42, 54, 61, 63, 66, 77, 99, 122, 126, 154, 183, 189, 198, 231, 297, 366, 378, 427, 462, 549, 594, 671, 693, 811, 854, 1098, 1281, 1342, 1386, 1622, 1647, 2013, 2079, 2433, 2562, 3294, 3843, 4026, 4158, 4697, 4866, 5677, 6039, 7299, 7686, 8921, 9394, 11354, 11529, 12078, 14091, 14598, 17031, 17842, 18117, 21897, 23058, 26763, 28182, 34062, 36234, 42273, 43794, 49471, 51093, 53526, 62447, 80289, 84546, 98942, 102186, 124894, 126819, 148413, 153279, 160578, 187341, 240867, 253638, 296826, 306558, 346297, 374682, 445239, 481734, 544181, 562023, 692594, 890478, 1038891, 1088362, 1124046, 1335717, 1632543, 1686069, 2077782, 2671434, 3116673, 3265086, 3372138, 3809267, 4897629, 6233346, 7618534, 9350019, 9795258, 11427801, 14692887, 18700038, 22855602, 29385774, 34283403, 68566806, 102850209, 205700418]

約数ペア:

[(1, 205700418), (2, 102850209), (3, 68566806), (6, 34283403), (7, 29385774), (9, 22855602), (11, 18700038), (14, 14692887), (18, 11427801), (21, 9795258), (22, 9350019), (27, 7618534), (33, 6233346), (42, 4897629), (54, 3809267), (61, 3372138), (63, 3265086), (66, 3116673), (77, 2671434), (99, 2077782), (122, 1686069), (126, 1632543), (154, 1335717), (183, 1124046), (189, 1088362), (198, 1038891), (231, 890478), (297, 692594), (366, 562023), (378, 544181), (427, 481734), (462, 445239), (549, 374682), (594, 346297), (671, 306558), (693, 296826), (811, 253638), (854, 240867), (1098, 187341), (1281, 160578), (1342, 153279), (1386, 148413), (1622, 126819), (1647, 124894), (2013, 102186), (2079, 98942), (2433, 84546), (2562, 80289), (3294, 62447), (3843, 53526), (4026, 51093), (4158, 49471), (4697, 43794), (4866, 42273), (5677, 36234), (6039, 34062), (7299, 28182), (7686, 26763), (8921, 23058), (9394, 21897), (11354, 18117), (11529, 17842), (12078, 17031), (14091, 14598)]