31039904

素因数分解:

$2^5\times 7^1\times {\mathrm{138571}}^1$

素因数の和:138588

約数の個数: 24

約数和(自身を含む): 69840288

約数和(自身を除く): 38800384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 138571, 277142, 554284, 969997, 1108568, 1939994, 2217136, 3879988, 4434272, 7759976, 15519952, 31039904]

約数ペア:

[(1, 31039904), (2, 15519952), (4, 7759976), (7, 4434272), (8, 3879988), (14, 2217136), (16, 1939994), (28, 1108568), (32, 969997), (56, 554284), (112, 277142), (224, 138571)]