220219197

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{773}}^1$

素因数の和:973

約数の個数: 32

約数和(自身を含む): 327680640

約数和(自身を除く): 107461443

約数列:

[1, 3, 11, 33, 89, 97, 267, 291, 773, 979, 1067, 2319, 2937, 3201, 8503, 8633, 25509, 25899, 68797, 74981, 94963, 206391, 224943, 284889, 756767, 824791, 2270301, 2474373, 6673309, 20019927, 73406399, 220219197]

約数ペア:

[(1, 220219197), (3, 73406399), (11, 20019927), (33, 6673309), (89, 2474373), (97, 2270301), (267, 824791), (291, 756767), (773, 284889), (979, 224943), (1067, 206391), (2319, 94963), (2937, 74981), (3201, 68797), (8503, 25899), (8633, 25509)]