1287661928

素因数分解:

$2^3\times 7^1\times {\mathrm{101}}^1\times {\mathrm{227663}}^1$

素因数の和:227777

約数の個数: 32

約数和(自身を含む): 2786607360

約数和(自身を除く): 1498945432

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 101, 202, 404, 707, 808, 1414, 2828, 5656, 227663, 455326, 910652, 1593641, 1821304, 3187282, 6374564, 12749128, 22993963, 45987926, 91975852, 160957741, 183951704, 321915482, 643830964, 1287661928]

約数ペア:

[(1, 1287661928), (2, 643830964), (4, 321915482), (7, 183951704), (8, 160957741), (14, 91975852), (28, 45987926), (56, 22993963), (101, 12749128), (202, 6374564), (404, 3187282), (707, 1821304), (808, 1593641), (1414, 910652), (2828, 455326), (5656, 227663)]