31394638

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{199}}^1$

素因数の和:384

約数の個数: 32

約数和(自身を含む): 52876800

約数和(自身を除く): 21482162

約数列:

[1, 2, 11, 22, 71, 101, 142, 199, 202, 398, 781, 1111, 1562, 2189, 2222, 4378, 7171, 14129, 14342, 20099, 28258, 40198, 78881, 155419, 157762, 221089, 310838, 442178, 1427029, 2854058, 15697319, 31394638]

約数ペア:

[(1, 31394638), (2, 15697319), (11, 2854058), (22, 1427029), (71, 442178), (101, 310838), (142, 221089), (199, 157762), (202, 155419), (398, 78881), (781, 40198), (1111, 28258), (1562, 20099), (2189, 14342), (2222, 14129), (4378, 7171)]