221681436

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^2\times {\mathrm{73}}^1\times {\mathrm{701}}^1$

素因数の和:819

約数の個数: 72

約数和(自身を含む): 554181264

約数和(自身を除く): 332499828

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 73, 76, 114, 146, 219, 228, 292, 361, 438, 701, 722, 876, 1083, 1387, 1402, 1444, 2103, 2166, 2774, 2804, 4161, 4206, 4332, 5548, 8322, 8412, 13319, 16644, 26353, 26638, 39957, 51173, 52706, 53276, 79059, 79914, 102346, 105412, 153519, 158118, 159828, 204692, 253061, 307038, 316236, 506122, 614076, 759183, 972287, 1012244, 1518366, 1944574, 2916861, 3036732, 3889148, 5833722, 11667444, 18473453, 36946906, 55420359, 73893812, 110840718, 221681436]

約数ペア:

[(1, 221681436), (2, 110840718), (3, 73893812), (4, 55420359), (6, 36946906), (12, 18473453), (19, 11667444), (38, 5833722), (57, 3889148), (73, 3036732), (76, 2916861), (114, 1944574), (146, 1518366), (219, 1012244), (228, 972287), (292, 759183), (361, 614076), (438, 506122), (701, 316236), (722, 307038), (876, 253061), (1083, 204692), (1387, 159828), (1402, 158118), (1444, 153519), (2103, 105412), (2166, 102346), (2774, 79914), (2804, 79059), (4161, 53276), (4206, 52706), (4332, 51173), (5548, 39957), (8322, 26638), (8412, 26353), (13319, 16644)]