216972196

素因数分解:

$2^2\times 7^3\times {\mathrm{158143}}^1$

素因数の和:158168

約数の個数: 24

約数和(自身を含む): 442803200

約数和(自身を除く): 225831004

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1372, 158143, 316286, 632572, 1107001, 2214002, 4428004, 7749007, 15498014, 30996028, 54243049, 108486098, 216972196]

約数ペア:

[(1, 216972196), (2, 108486098), (4, 54243049), (7, 30996028), (14, 15498014), (28, 7749007), (49, 4428004), (98, 2214002), (196, 1107001), (343, 632572), (686, 316286), (1372, 158143)]