263266945

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{257}}^1\times {\mathrm{263}}^1$

素因数の和:585

約数の個数: 32

約数和(自身を含む): 343284480

約数和(自身を除く): 80017535

約数列:

[1, 5, 19, 41, 95, 205, 257, 263, 779, 1285, 1315, 3895, 4883, 4997, 10537, 10783, 24415, 24985, 52685, 53915, 67591, 200203, 204877, 337955, 1001015, 1024385, 1284229, 2771231, 6421145, 13856155, 52653389, 263266945]

約数ペア:

[(1, 263266945), (5, 52653389), (19, 13856155), (41, 6421145), (95, 2771231), (205, 1284229), (257, 1024385), (263, 1001015), (779, 337955), (1285, 204877), (1315, 200203), (3895, 67591), (4883, 53915), (4997, 52685), (10537, 24985), (10783, 24415)]