258863709

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:270

約数の個数: 64

約数和(自身を含む): 411505920

約数和(自身を除く): 152642211

約数列:

[1, 3, 13, 17, 39, 41, 51, 89, 107, 123, 221, 267, 321, 533, 663, 697, 1157, 1391, 1513, 1599, 1819, 2091, 3471, 3649, 4173, 4387, 4539, 5457, 9061, 9523, 10947, 13161, 19669, 23647, 27183, 28569, 47437, 57031, 59007, 62033, 70941, 74579, 123799, 142311, 161891, 171093, 186099, 223737, 371397, 390443, 485673, 806429, 969527, 1171329, 2104583, 2419287, 2908581, 5075759, 6313749, 6637531, 15227277, 19912593, 86287903, 258863709]

約数ペア:

[(1, 258863709), (3, 86287903), (13, 19912593), (17, 15227277), (39, 6637531), (41, 6313749), (51, 5075759), (89, 2908581), (107, 2419287), (123, 2104583), (221, 1171329), (267, 969527), (321, 806429), (533, 485673), (663, 390443), (697, 371397), (1157, 223737), (1391, 186099), (1513, 171093), (1599, 161891), (1819, 142311), (2091, 123799), (3471, 74579), (3649, 70941), (4173, 62033), (4387, 59007), (4539, 57031), (5457, 47437), (9061, 28569), (9523, 27183), (10947, 23647), (13161, 19669)]