201397535

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{137}}^1$

素因数の和:355

約数の個数: 32

約数和(自身を含む): 255394944

約数和(自身を除く): 53997409

約数列:

[1, 5, 41, 71, 101, 137, 205, 355, 505, 685, 2911, 4141, 5617, 7171, 9727, 13837, 14555, 20705, 28085, 35855, 48635, 69185, 294011, 398807, 567317, 982427, 1470055, 1994035, 2836585, 4912135, 40279507, 201397535]

約数ペア:

[(1, 201397535), (5, 40279507), (41, 4912135), (71, 2836585), (101, 1994035), (137, 1470055), (205, 982427), (355, 567317), (505, 398807), (685, 294011), (2911, 69185), (4141, 48635), (5617, 35855), (7171, 28085), (9727, 20705), (13837, 14555)]