394845919

素因数分解:

${\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:339

約数の個数: 32

約数和(自身を含む): 450696960

約数和(自身を除く): 55851041

約数列:

[1, 13, 47, 53, 89, 137, 611, 689, 1157, 1781, 2491, 4183, 4717, 6439, 7261, 12193, 32383, 54379, 61321, 83707, 94393, 158509, 221699, 341267, 573071, 646229, 2882087, 4436471, 7449923, 8400977, 30372763, 394845919]

約数ペア:

[(1, 394845919), (13, 30372763), (47, 8400977), (53, 7449923), (89, 4436471), (137, 2882087), (611, 646229), (689, 573071), (1157, 341267), (1781, 221699), (2491, 158509), (4183, 94393), (4717, 83707), (6439, 61321), (7261, 54379), (12193, 32383)]