1989442

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{643}}^1$

素因数の和:682

約数の個数: 32

約数和(自身を含む): 3894912

約数和(自身を除く): 1905470

約数列:

[1, 2, 7, 13, 14, 17, 26, 34, 91, 119, 182, 221, 238, 442, 643, 1286, 1547, 3094, 4501, 8359, 9002, 10931, 16718, 21862, 58513, 76517, 117026, 142103, 153034, 284206, 994721, 1989442]

約数ペア:

[(1, 1989442), (2, 994721), (7, 284206), (13, 153034), (14, 142103), (17, 117026), (26, 76517), (34, 58513), (91, 21862), (119, 16718), (182, 10931), (221, 9002), (238, 8359), (442, 4501), (643, 3094), (1286, 1547)]