140037506

素因数分解:

$2^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{263}}^1\times {\mathrm{521}}^1$

素因数の和:866

約数の個数: 32

約数和(自身を含む): 244747008

約数和(自身を除く): 104709502

約数列:

[1, 2, 7, 14, 73, 146, 263, 511, 521, 526, 1022, 1042, 1841, 3647, 3682, 7294, 19199, 38033, 38398, 76066, 134393, 137023, 266231, 268786, 274046, 532462, 959161, 1918322, 10002679, 20005358, 70018753, 140037506]

約数ペア:

[(1, 140037506), (2, 70018753), (7, 20005358), (14, 10002679), (73, 1918322), (146, 959161), (263, 532462), (511, 274046), (521, 268786), (526, 266231), (1022, 137023), (1042, 134393), (1841, 76066), (3647, 38398), (3682, 38033), (7294, 19199)]