38538968

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{1409}}^1$

素因数の和:1691

約数の個数: 32

約数和(自身を含む): 78170400

約数和(自身を除く): 39631432

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 263, 526, 1052, 1409, 2104, 2818, 3419, 5636, 6838, 11272, 13676, 18317, 27352, 36634, 73268, 146536, 370567, 741134, 1482268, 2964536, 4817371, 9634742, 19269484, 38538968]

約数ペア:

[(1, 38538968), (2, 19269484), (4, 9634742), (8, 4817371), (13, 2964536), (26, 1482268), (52, 741134), (104, 370567), (263, 146536), (526, 73268), (1052, 36634), (1409, 27352), (2104, 18317), (2818, 13676), (3419, 11272), (5636, 6838)]