128389086

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{107}}^2$

素因数の和:318

約数の個数: 72

約数和(自身を含む): 324520560

約数和(自身を除く): 196131474

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 89, 107, 126, 178, 214, 267, 321, 534, 623, 642, 749, 801, 963, 1246, 1498, 1602, 1869, 1926, 2247, 3738, 4494, 5607, 6741, 9523, 11214, 11449, 13482, 19046, 22898, 28569, 34347, 57138, 66661, 68694, 80143, 85707, 103041, 133322, 160286, 171414, 199983, 206082, 240429, 399966, 480858, 599949, 721287, 1018961, 1199898, 1442574, 2037922, 3056883, 6113766, 7132727, 9170649, 14265454, 18341298, 21398181, 42796362, 64194543, 128389086]

約数ペア:

[(1, 128389086), (2, 64194543), (3, 42796362), (6, 21398181), (7, 18341298), (9, 14265454), (14, 9170649), (18, 7132727), (21, 6113766), (42, 3056883), (63, 2037922), (89, 1442574), (107, 1199898), (126, 1018961), (178, 721287), (214, 599949), (267, 480858), (321, 399966), (534, 240429), (623, 206082), (642, 199983), (749, 171414), (801, 160286), (963, 133322), (1246, 103041), (1498, 85707), (1602, 80143), (1869, 68694), (1926, 66661), (2247, 57138), (3738, 34347), (4494, 28569), (5607, 22898), (6741, 19046), (9523, 13482), (11214, 11449)]