25972012

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{661}}^1$

素因数の和:742

約数の個数: 48

約数和(自身を含む): 53383680

約数和(自身を除く): 27411668

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 47, 76, 94, 188, 209, 418, 517, 661, 836, 893, 1034, 1322, 1786, 2068, 2644, 3572, 7271, 9823, 12559, 14542, 19646, 25118, 29084, 31067, 39292, 50236, 62134, 124268, 138149, 276298, 341737, 552596, 590273, 683474, 1180546, 1366948, 2361092, 6493003, 12986006, 25972012]

約数ペア:

[(1, 25972012), (2, 12986006), (4, 6493003), (11, 2361092), (19, 1366948), (22, 1180546), (38, 683474), (44, 590273), (47, 552596), (76, 341737), (94, 276298), (188, 138149), (209, 124268), (418, 62134), (517, 50236), (661, 39292), (836, 31067), (893, 29084), (1034, 25118), (1322, 19646), (1786, 14542), (2068, 12559), (2644, 9823), (3572, 7271)]