42553616

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{19997}}^1$

素因数の和:20031

約数の個数: 40

約数和(自身を含む): 99190080

約数和(自身を除く): 56636464

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 19997, 39994, 79988, 139979, 159976, 279958, 319952, 379943, 559916, 759886, 1119832, 1519772, 2239664, 2659601, 3039544, 5319202, 6079088, 10638404, 21276808, 42553616]

約数ペア:

[(1, 42553616), (2, 21276808), (4, 10638404), (7, 6079088), (8, 5319202), (14, 3039544), (16, 2659601), (19, 2239664), (28, 1519772), (38, 1119832), (56, 759886), (76, 559916), (112, 379943), (133, 319952), (152, 279958), (266, 159976), (304, 139979), (532, 79988), (1064, 39994), (2128, 19997)]