639202342

素因数分解:

$2^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1\times {\mathrm{38971}}^1$

素因数の和:39171

約数の個数: 16

約数和(自身を含む): 982094400

約数和(自身を除く): 342892058

約数列:

[1, 2, 59, 118, 139, 278, 8201, 16402, 38971, 77942, 2299289, 4598578, 5416969, 10833938, 319601171, 639202342]

約数ペア:

[(1, 639202342), (2, 319601171), (59, 10833938), (118, 5416969), (139, 4598578), (278, 2299289), (8201, 77942), (16402, 38971)]