81445924

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{199}}^1\times {\mathrm{311}}^1$

素因数の和:568

約数の個数: 48

約数和(自身を含む): 167731200

約数和(自身を除く): 86285276

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 188, 199, 311, 329, 398, 622, 658, 796, 1244, 1316, 1393, 2177, 2786, 4354, 5572, 8708, 9353, 14617, 18706, 29234, 37412, 58468, 61889, 65471, 102319, 123778, 130942, 204638, 247556, 261884, 409276, 433223, 866446, 1732892, 2908783, 5817566, 11635132, 20361481, 40722962, 81445924]

約数ペア:

[(1, 81445924), (2, 40722962), (4, 20361481), (7, 11635132), (14, 5817566), (28, 2908783), (47, 1732892), (94, 866446), (188, 433223), (199, 409276), (311, 261884), (329, 247556), (398, 204638), (622, 130942), (658, 123778), (796, 102319), (1244, 65471), (1316, 61889), (1393, 58468), (2177, 37412), (2786, 29234), (4354, 18706), (5572, 14617), (8708, 9353)]