213468458

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1$

素因数の和:315

約数の個数: 64

約数和(自身を含む): 398131200

約数和(自身を除く): 184662742

約数列:

[1, 2, 7, 14, 19, 38, 71, 89, 127, 133, 142, 178, 254, 266, 497, 623, 889, 994, 1246, 1349, 1691, 1778, 2413, 2698, 3382, 4826, 6319, 9017, 9443, 11303, 11837, 12638, 16891, 18034, 18886, 22606, 23674, 33782, 44233, 63119, 79121, 88466, 120061, 126238, 158242, 171323, 214757, 240122, 342646, 429514, 802513, 840427, 1199261, 1503299, 1605026, 1680854, 2398522, 3006598, 5617591, 11235182, 15247747, 30495494, 106734229, 213468458]

約数ペア:

[(1, 213468458), (2, 106734229), (7, 30495494), (14, 15247747), (19, 11235182), (38, 5617591), (71, 3006598), (89, 2398522), (127, 1680854), (133, 1605026), (142, 1503299), (178, 1199261), (254, 840427), (266, 802513), (497, 429514), (623, 342646), (889, 240122), (994, 214757), (1246, 171323), (1349, 158242), (1691, 126238), (1778, 120061), (2413, 88466), (2698, 79121), (3382, 63119), (4826, 44233), (6319, 33782), (9017, 23674), (9443, 22606), (11303, 18886), (11837, 18034), (12638, 16891)]