1138206818

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1\times {\mathrm{521}}^1$

素因数の和:783

約数の個数: 64

約数和(自身を含む): 2116730880

約数和(自身を除く): 978524062

約数列:

[1, 2, 7, 14, 19, 38, 43, 86, 133, 191, 266, 301, 382, 521, 602, 817, 1042, 1337, 1634, 2674, 3629, 3647, 5719, 7258, 7294, 8213, 9899, 11438, 16426, 19798, 22403, 25403, 44806, 50806, 57491, 69293, 99511, 114982, 138586, 156047, 156821, 199022, 312094, 313642, 425657, 696577, 851314, 1092329, 1393154, 1890709, 2184658, 2979599, 3781418, 4278973, 5959198, 8557946, 13234963, 26469926, 29952811, 59905622, 81300487, 162600974, 569103409, 1138206818]

約数ペア:

[(1, 1138206818), (2, 569103409), (7, 162600974), (14, 81300487), (19, 59905622), (38, 29952811), (43, 26469926), (86, 13234963), (133, 8557946), (191, 5959198), (266, 4278973), (301, 3781418), (382, 2979599), (521, 2184658), (602, 1890709), (817, 1393154), (1042, 1092329), (1337, 851314), (1634, 696577), (2674, 425657), (3629, 313642), (3647, 312094), (5719, 199022), (7258, 156821), (7294, 156047), (8213, 138586), (9899, 114982), (11438, 99511), (16426, 69293), (19798, 57491), (22403, 50806), (25403, 44806)]