51651595

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:303

約数の個数: 32

約数和(自身を含む): 68040000

約数和(自身を除く): 16388405

約数列:

[1, 5, 19, 41, 89, 95, 149, 205, 445, 745, 779, 1691, 2831, 3649, 3895, 6109, 8455, 13261, 14155, 18245, 30545, 66305, 69331, 116071, 251959, 346655, 543701, 580355, 1259795, 2718505, 10330319, 51651595]

約数ペア:

[(1, 51651595), (5, 10330319), (19, 2718505), (41, 1259795), (89, 580355), (95, 543701), (149, 346655), (205, 251959), (445, 116071), (745, 69331), (779, 66305), (1691, 30545), (2831, 18245), (3649, 14155), (3895, 13261), (6109, 8455)]