1287505406

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{191}}^1\times {\mathrm{5023}}^1$

素因数の和:5288

約数の個数: 32

約数和(自身を含む): 2153005056

約数和(自身を除く): 865499650

約数列:

[1, 2, 11, 22, 61, 122, 191, 382, 671, 1342, 2101, 4202, 5023, 10046, 11651, 23302, 55253, 110506, 128161, 256322, 306403, 612806, 959393, 1918786, 3370433, 6740866, 10553323, 21106646, 58522973, 117045946, 643752703, 1287505406]

約数ペア:

[(1, 1287505406), (2, 643752703), (11, 117045946), (22, 58522973), (61, 21106646), (122, 10553323), (191, 6740866), (382, 3370433), (671, 1918786), (1342, 959393), (2101, 612806), (4202, 306403), (5023, 256322), (10046, 128161), (11651, 110506), (23302, 55253)]