217622884

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{11981}}^1$

素因数の和:12243

約数の個数: 24

約数和(自身を含む): 402595200

約数和(自身を除く): 184972316

約数列:

[1, 2, 4, 19, 38, 76, 239, 478, 956, 4541, 9082, 11981, 18164, 23962, 47924, 227639, 455278, 910556, 2863459, 5726918, 11453836, 54405721, 108811442, 217622884]

約数ペア:

[(1, 217622884), (2, 108811442), (4, 54405721), (19, 11453836), (38, 5726918), (76, 2863459), (239, 910556), (478, 455278), (956, 227639), (4541, 47924), (9082, 23962), (11981, 18164)]