25190414

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:288

約数の個数: 32

約数和(自身を含む): 40857600

約数和(自身を除く): 15667186

約数列:

[1, 2, 31, 37, 62, 74, 79, 139, 158, 278, 1147, 2294, 2449, 2923, 4309, 4898, 5143, 5846, 8618, 10286, 10981, 21962, 90613, 159433, 181226, 318866, 340411, 406297, 680822, 812594, 12595207, 25190414]

約数ペア:

[(1, 25190414), (2, 12595207), (31, 812594), (37, 680822), (62, 406297), (74, 340411), (79, 318866), (139, 181226), (158, 159433), (278, 90613), (1147, 21962), (2294, 10981), (2449, 10286), (2923, 8618), (4309, 5846), (4898, 5143)]