15691521965

素因数分解:

$5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{661}}^1\times {\mathrm{11119}}^1$

素因数の和:11853

約数の個数: 32

約数和(自身を含む): 21907645440

約数和(自身を除く): 6216123475

約数列:

[1, 5, 7, 35, 61, 305, 427, 661, 2135, 3305, 4627, 11119, 23135, 40321, 55595, 77833, 201605, 282247, 389165, 678259, 1411235, 3391295, 4747813, 7349659, 23739065, 36748295, 51447613, 257238065, 448329199, 2241645995, 3138304393, 15691521965]

約数ペア:

[(1, 15691521965), (5, 3138304393), (7, 2241645995), (35, 448329199), (61, 257238065), (305, 51447613), (427, 36748295), (661, 23739065), (2135, 7349659), (3305, 4747813), (4627, 3391295), (11119, 1411235), (23135, 678259), (40321, 389165), (55595, 282247), (77833, 201605)]