42390418

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{277}}^1\times {\mathrm{643}}^1$

素因数の和:946

約数の個数: 32

約数和(自身を含む): 77341824

約数和(自身を除く): 34951406

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 277, 554, 643, 1286, 1939, 3878, 4501, 4709, 9002, 9418, 10931, 21862, 32963, 65926, 76517, 153034, 178111, 356222, 1246777, 2493554, 3027887, 6055774, 21195209, 42390418]

約数ペア:

[(1, 42390418), (2, 21195209), (7, 6055774), (14, 3027887), (17, 2493554), (34, 1246777), (119, 356222), (238, 178111), (277, 153034), (554, 76517), (643, 65926), (1286, 32963), (1939, 21862), (3878, 10931), (4501, 9418), (4709, 9002)]