81464754

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{401}}^1\times {\mathrm{691}}^1$

素因数の和:1111

約数の個数: 48

約数和(自身を含む): 190277856

約数和(自身を除く): 108813102

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 401, 691, 802, 1203, 1382, 2073, 2406, 2807, 4146, 4837, 5614, 8421, 9674, 14511, 16842, 19649, 29022, 33859, 39298, 58947, 67718, 101577, 117894, 203154, 277091, 554182, 831273, 1662546, 1939637, 3879274, 5818911, 11637822, 13577459, 27154918, 40732377, 81464754]

約数ペア:

[(1, 81464754), (2, 40732377), (3, 27154918), (6, 13577459), (7, 11637822), (14, 5818911), (21, 3879274), (42, 1939637), (49, 1662546), (98, 831273), (147, 554182), (294, 277091), (401, 203154), (691, 117894), (802, 101577), (1203, 67718), (1382, 58947), (2073, 39298), (2406, 33859), (2807, 29022), (4146, 19649), (4837, 16842), (5614, 14511), (8421, 9674)]