190890938

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{6661}}^1$

素因数の和:6782

約数の個数: 32

約数和(自身を含む): 345358080

約数和(自身を除く): 154467142

約数列:

[1, 2, 7, 14, 23, 46, 89, 161, 178, 322, 623, 1246, 2047, 4094, 6661, 13322, 14329, 28658, 46627, 93254, 153203, 306406, 592829, 1072421, 1185658, 2144842, 4149803, 8299606, 13635067, 27270134, 95445469, 190890938]

約数ペア:

[(1, 190890938), (2, 95445469), (7, 27270134), (14, 13635067), (23, 8299606), (46, 4149803), (89, 2144842), (161, 1185658), (178, 1072421), (322, 592829), (623, 306406), (1246, 153203), (2047, 93254), (4094, 46627), (6661, 28658), (13322, 14329)]