318407495

素因数分解:

$5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{293}}^1\times {\mathrm{509}}^1$

素因数の和:875

約数の個数: 32

約数和(自身を含む): 446221440

約数和(自身を除く): 127813945

約数列:

[1, 5, 7, 35, 61, 293, 305, 427, 509, 1465, 2051, 2135, 2545, 3563, 10255, 17815, 17873, 31049, 89365, 125111, 149137, 155245, 217343, 625555, 745685, 1043959, 1086715, 5219795, 9097357, 45486785, 63681499, 318407495]

約数ペア:

[(1, 318407495), (5, 63681499), (7, 45486785), (35, 9097357), (61, 5219795), (293, 1086715), (305, 1043959), (427, 745685), (509, 625555), (1465, 217343), (2051, 155245), (2135, 149137), (2545, 125111), (3563, 89365), (10255, 31049), (17815, 17873)]