203843395

素因数分解:

$5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{307}}^1\times {\mathrm{311}}^1$

素因数の和:691

約数の個数: 32

約数和(自身を含む): 285981696

約数和(自身を除く): 82138301

約数列:

[1, 5, 7, 35, 61, 305, 307, 311, 427, 1535, 1555, 2135, 2149, 2177, 10745, 10885, 18727, 18971, 93635, 94855, 95477, 131089, 132797, 477385, 655445, 663985, 668339, 3341695, 5824097, 29120485, 40768679, 203843395]

約数ペア:

[(1, 203843395), (5, 40768679), (7, 29120485), (35, 5824097), (61, 3341695), (305, 668339), (307, 663985), (311, 655445), (427, 477385), (1535, 132797), (1555, 131089), (2135, 95477), (2149, 94855), (2177, 93635), (10745, 18971), (10885, 18727)]