201571825

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{353}}^1$

素因数の和:634

約数の個数: 48

約数和(自身を含む): 309730176

約数和(自身を除く): 108158351

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 175, 251, 325, 353, 455, 1255, 1757, 1765, 2275, 2471, 3263, 4589, 6275, 8785, 8825, 12355, 16315, 22841, 22945, 32123, 43925, 61775, 81575, 88603, 114205, 114725, 160615, 443015, 571025, 620221, 803075, 1151839, 2215075, 3101105, 5759195, 8062873, 15505525, 28795975, 40314365, 201571825]

約数ペア:

[(1, 201571825), (5, 40314365), (7, 28795975), (13, 15505525), (25, 8062873), (35, 5759195), (65, 3101105), (91, 2215075), (175, 1151839), (251, 803075), (325, 620221), (353, 571025), (455, 443015), (1255, 160615), (1757, 114725), (1765, 114205), (2275, 88603), (2471, 81575), (3263, 61775), (4589, 43925), (6275, 32123), (8785, 22945), (8825, 22841), (12355, 16315)]