25212018

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{7517}}^1$

素因数の和:7578

約数の個数: 32

約数和(自身を含む): 55573056

約数和(自身を除く): 30361038

約数列:

[1, 2, 3, 6, 13, 26, 39, 43, 78, 86, 129, 258, 559, 1118, 1677, 3354, 7517, 15034, 22551, 45102, 97721, 195442, 293163, 323231, 586326, 646462, 969693, 1939386, 4202003, 8404006, 12606009, 25212018]

約数ペア:

[(1, 25212018), (2, 12606009), (3, 8404006), (6, 4202003), (13, 1939386), (26, 969693), (39, 646462), (43, 586326), (78, 323231), (86, 293163), (129, 195442), (258, 97721), (559, 45102), (1118, 22551), (1677, 15034), (3354, 7517)]