311490324

素因数分解:

$2^2\times 3^2\times {\mathrm{137}}^2\times {\mathrm{461}}^1$

素因数の和:745

約数の個数: 54

約数和(自身を含む): 794888094

約数和(自身を除く): 483397770

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 137, 274, 411, 461, 548, 822, 922, 1233, 1383, 1644, 1844, 2466, 2766, 4149, 4932, 5532, 8298, 16596, 18769, 37538, 56307, 63157, 75076, 112614, 126314, 168921, 189471, 225228, 252628, 337842, 378942, 568413, 675684, 757884, 1136826, 2273652, 8652509, 17305018, 25957527, 34610036, 51915054, 77872581, 103830108, 155745162, 311490324]

約数ペア:

[(1, 311490324), (2, 155745162), (3, 103830108), (4, 77872581), (6, 51915054), (9, 34610036), (12, 25957527), (18, 17305018), (36, 8652509), (137, 2273652), (274, 1136826), (411, 757884), (461, 675684), (548, 568413), (822, 378942), (922, 337842), (1233, 252628), (1383, 225228), (1644, 189471), (1844, 168921), (2466, 126314), (2766, 112614), (4149, 75076), (4932, 63157), (5532, 56307), (8298, 37538), (16596, 18769)]