138840506

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{233}}^1\times {\mathrm{1373}}^1$

素因数の和:1646

約数の個数: 32

約数和(自身を含む): 246924288

約数和(自身を除く): 108083782

約数列:

[1, 2, 7, 14, 31, 62, 217, 233, 434, 466, 1373, 1631, 2746, 3262, 7223, 9611, 14446, 19222, 42563, 50561, 85126, 101122, 297941, 319909, 595882, 639818, 2239363, 4478726, 9917179, 19834358, 69420253, 138840506]

約数ペア:

[(1, 138840506), (2, 69420253), (7, 19834358), (14, 9917179), (31, 4478726), (62, 2239363), (217, 639818), (233, 595882), (434, 319909), (466, 297941), (1373, 101122), (1631, 85126), (2746, 50561), (3262, 42563), (7223, 19222), (9611, 14446)]