1780451618

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{2187287}}^1$

素因数の和:2187337

約数の個数: 16

約数和(自身を含む): 2992209984

約数和(自身を除く): 1211758366

約数列:

[1, 2, 11, 22, 37, 74, 407, 814, 2187287, 4374574, 24060157, 48120314, 80929619, 161859238, 890225809, 1780451618]

約数ペア:

[(1, 1780451618), (2, 890225809), (11, 161859238), (22, 80929619), (37, 48120314), (74, 24060157), (407, 4374574), (814, 2187287)]