221419128

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{1317971}}^1$

素因数の和:1317987

約数の個数: 32

約数和(自身を含む): 632626560

約数和(自身を除く): 411207432

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 1317971, 2635942, 3953913, 5271884, 7907826, 9225797, 10543768, 15815652, 18451594, 27677391, 31631304, 36903188, 55354782, 73806376, 110709564, 221419128]

約数ペア:

[(1, 221419128), (2, 110709564), (3, 73806376), (4, 55354782), (6, 36903188), (7, 31631304), (8, 27677391), (12, 18451594), (14, 15815652), (21, 10543768), (24, 9225797), (28, 7907826), (42, 5271884), (56, 3953913), (84, 2635942), (168, 1317971)]