128543912

素因数分解:

$2^3\times 7^1\times {\mathrm{101}}^1\times {\mathrm{22727}}^1$

素因数の和:22841

約数の個数: 32

約数和(自身を含む): 278190720

約数和(自身を除く): 149646808

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 101, 202, 404, 707, 808, 1414, 2828, 5656, 22727, 45454, 90908, 159089, 181816, 318178, 636356, 1272712, 2295427, 4590854, 9181708, 16067989, 18363416, 32135978, 64271956, 128543912]

約数ペア:

[(1, 128543912), (2, 64271956), (4, 32135978), (7, 18363416), (8, 16067989), (14, 9181708), (28, 4590854), (56, 2295427), (101, 1272712), (202, 636356), (404, 318178), (707, 181816), (808, 159089), (1414, 90908), (2828, 45454), (5656, 22727)]