138940286

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{1399}}^1$

素因数の和:1568

約数の個数: 32

約数和(自身を含む): 232243200

約数和(自身を除く): 93302914

約数列:

[1, 2, 17, 23, 34, 46, 127, 254, 391, 782, 1399, 2159, 2798, 2921, 4318, 5842, 23783, 32177, 47566, 49657, 64354, 99314, 177673, 355346, 547009, 1094018, 3020441, 4086479, 6040882, 8172958, 69470143, 138940286]

約数ペア:

[(1, 138940286), (2, 69470143), (17, 8172958), (23, 6040882), (34, 4086479), (46, 3020441), (127, 1094018), (254, 547009), (391, 355346), (782, 177673), (1399, 99314), (2159, 64354), (2798, 49657), (2921, 47566), (4318, 32177), (5842, 23783)]