289767898

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{229}}^1$

素因数の和:395

約数の個数: 64

約数和(自身を含む): 540518400

約数和(自身を除く): 250750502

約数列:

[1, 2, 7, 14, 19, 38, 67, 71, 133, 134, 142, 229, 266, 458, 469, 497, 938, 994, 1273, 1349, 1603, 2546, 2698, 3206, 4351, 4757, 8702, 8911, 9443, 9514, 15343, 16259, 17822, 18886, 30457, 30686, 32518, 33299, 60914, 66598, 90383, 107401, 113813, 180766, 214802, 227626, 291517, 308921, 583034, 617842, 632681, 1089353, 1265362, 2040619, 2162447, 2178706, 4081238, 4324894, 7625471, 15250942, 20697707, 41395414, 144883949, 289767898]

約数ペア:

[(1, 289767898), (2, 144883949), (7, 41395414), (14, 20697707), (19, 15250942), (38, 7625471), (67, 4324894), (71, 4081238), (133, 2178706), (134, 2162447), (142, 2040619), (229, 1265362), (266, 1089353), (458, 632681), (469, 617842), (497, 583034), (938, 308921), (994, 291517), (1273, 227626), (1349, 214802), (1603, 180766), (2546, 113813), (2698, 107401), (3206, 90383), (4351, 66598), (4757, 60914), (8702, 33299), (8911, 32518), (9443, 30686), (9514, 30457), (15343, 18886), (16259, 17822)]