129219928

素因数分解:

$2^3\times {\mathrm{73}}^1\times {\mathrm{173}}^1\times {\mathrm{1279}}^1$

素因数の和:1531

約数の個数: 32

約数和(自身を含む): 247219200

約数和(自身を除く): 117999272

約数列:

[1, 2, 4, 8, 73, 146, 173, 292, 346, 584, 692, 1279, 1384, 2558, 5116, 10232, 12629, 25258, 50516, 93367, 101032, 186734, 221267, 373468, 442534, 746936, 885068, 1770136, 16152491, 32304982, 64609964, 129219928]

約数ペア:

[(1, 129219928), (2, 64609964), (4, 32304982), (8, 16152491), (73, 1770136), (146, 885068), (173, 746936), (292, 442534), (346, 373468), (584, 221267), (692, 186734), (1279, 101032), (1384, 93367), (2558, 50516), (5116, 25258), (10232, 12629)]