25519928

素因数分解:

$2^3\times 7^1\times {\mathrm{107}}^1\times {\mathrm{4259}}^1$

素因数の和:4379

約数の個数: 32

約数和(自身を含む): 55209600

約数和(自身を除く): 29689672

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 107, 214, 428, 749, 856, 1498, 2996, 4259, 5992, 8518, 17036, 29813, 34072, 59626, 119252, 238504, 455713, 911426, 1822852, 3189991, 3645704, 6379982, 12759964, 25519928]

約数ペア:

[(1, 25519928), (2, 12759964), (4, 6379982), (7, 3645704), (8, 3189991), (14, 1822852), (28, 911426), (56, 455713), (107, 238504), (214, 119252), (428, 59626), (749, 34072), (856, 29813), (1498, 17036), (2996, 8518), (4259, 5992)]