220088456

素因数分解:

$2^3\times 7^1\times {\mathrm{89}}^1\times {\mathrm{44159}}^1$

素因数の和:44261

約数の個数: 32

約数和(自身を含む): 476928000

約数和(自身を除く): 256839544

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 89, 178, 356, 623, 712, 1246, 2492, 4984, 44159, 88318, 176636, 309113, 353272, 618226, 1236452, 2472904, 3930151, 7860302, 15720604, 27511057, 31441208, 55022114, 110044228, 220088456]

約数ペア:

[(1, 220088456), (2, 110044228), (4, 55022114), (7, 31441208), (8, 27511057), (14, 15720604), (28, 7860302), (56, 3930151), (89, 2472904), (178, 1236452), (356, 618226), (623, 353272), (712, 309113), (1246, 176636), (2492, 88318), (4984, 44159)]