266950983

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:264

約数の個数: 64

約数和(自身を含む): 423263232

約数和(自身を除く): 156312249

約数列:

[1, 3, 13, 17, 39, 51, 53, 71, 107, 159, 213, 221, 321, 663, 689, 901, 923, 1207, 1391, 1819, 2067, 2703, 2769, 3621, 3763, 4173, 5457, 5671, 7597, 11289, 11713, 15691, 17013, 22791, 23647, 35139, 47073, 48919, 63971, 70941, 73723, 96407, 98761, 129149, 146757, 191913, 221169, 289221, 296283, 387447, 402641, 831623, 1207923, 1253291, 1678937, 2494869, 3759873, 5036811, 5234333, 6844897, 15702999, 20534691, 88983661, 266950983]

約数ペア:

[(1, 266950983), (3, 88983661), (13, 20534691), (17, 15702999), (39, 6844897), (51, 5234333), (53, 5036811), (71, 3759873), (107, 2494869), (159, 1678937), (213, 1253291), (221, 1207923), (321, 831623), (663, 402641), (689, 387447), (901, 296283), (923, 289221), (1207, 221169), (1391, 191913), (1819, 146757), (2067, 129149), (2703, 98761), (2769, 96407), (3621, 73723), (3763, 70941), (4173, 63971), (5457, 48919), (5671, 47073), (7597, 35139), (11289, 23647), (11713, 22791), (15691, 17013)]