39987458

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{463}}^1$

素因数の和:702

約数の個数: 32

約数和(自身を含む): 71270400

約数和(自身を除く): 31282942

約数列:

[1, 2, 7, 14, 31, 62, 199, 217, 398, 434, 463, 926, 1393, 2786, 3241, 6169, 6482, 12338, 14353, 28706, 43183, 86366, 92137, 100471, 184274, 200942, 644959, 1289918, 2856247, 5712494, 19993729, 39987458]

約数ペア:

[(1, 39987458), (2, 19993729), (7, 5712494), (14, 2856247), (31, 1289918), (62, 644959), (199, 200942), (217, 184274), (398, 100471), (434, 92137), (463, 86366), (926, 43183), (1393, 28706), (2786, 14353), (3241, 12338), (6169, 6482)]